76!74-1 trivially factors prime!: 151 (digits:3)
 78!74-1 trivially factors prime!: 311 (digits:3)
 80!74-1 trivially factors prime!: 479 (digits:3)
 84!74-1 trivially factors prime!: 839 (digits:3)
 86!74-1 trivially factors prime!: 1031 (digits:4)
 88!74-1 trivially factors prime!: 1231 (digits:4)
 90!74-1 trivially factors prime!: 1439 (digits:4)
 94!74-1 trivially factors prime!: 1879 (digits:4)
 96!74-1 trivially factors prime!: 2111 (digits:4)
 98!74-1 trivially factors prime!: 2351 (digits:4)
 104!74-1 trivially factors prime!: 3119 (digits:4)
 106!74-1 trivially factors prime!: 3391 (digits:4)
 108!74-1 trivially factors prime!: 3671 (digits:4)
 116!74-1 trivially factors prime!: 4871 (digits:4)
 120!74-1 trivially factors prime!: 5519 (digits:4)
 124!74-1 trivially factors prime!: 6199 (digits:4)
 126!74-1 trivially factors prime!: 6551 (digits:4)
 128!74-1 trivially factors prime!: 6911 (digits:4)
 134!74-1 trivially factors prime!: 8039 (digits:4)
 136!74-1 trivially factors prime!: 8431 (digits:4)
 138!74-1 trivially factors prime!: 8831 (digits:4)
 140!74-1 trivially factors prime!: 9239 (digits:4)
 144!74-1 trivially factors prime!: 10079 (digits:5)
 162!74-1 trivially factors prime!: 199583 (digits:6)
 180!74-1 trivially factors prime!: 610559 (digits:6)
 182!74-1 trivially factors prime!: 668303 (digits:6)
 184!74-1 trivially factors prime!: 728639 (digits:6)
 190!74-1 trivially factors prime!: 925679 (digits:6)
 200!74-1 trivially factors prime!: 1310399 (digits:7)
 202!74-1 trivially factors prime!: 1396223 (digits:7)
 210!74-1 trivially factors prime!: 1770719 (digits:7)
 214!74-1 trivially factors prime!: 1977359 (digits:7)
 222!74-1 trivially factors prime!: 2431343 (digits:7)
 224!74-1 trivially factors prime!: 5107199 (digits:7)
 226!74-1 trivially factors prime!: 10717823 (digits:8)
 230!74-1 trivially factors prime!: 23537279 (digits:8)
 234!74-1 trivially factors prime!: 38638079 (digits:8)
 248!74-1 trivially factors prime!: 112195199 (digits:9)
 262!74-1 trivially factors prime!: 224607359 (digits:9)
 272!74-1 trivially factors prime!: 333907199 (digits:9)
 298!74-1 trivially factors prime!: 1521945599 (digits:10)
 
 Primality testing 310!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 310!74-1 is prime! (0.0163s+0.0008s) (digits:11)
 
 Primality testing 336!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 336!74-1 is prime! (0.0157s+0.0007s) (digits:11)
 
 Primality testing 340!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 340!74-1 is prime! (0.0117s+0.0006s) (digits:11)
 
 Primality testing 346!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 346!74-1 is prime! (0.0146s+0.0007s) (digits:12)
 
 Primality testing 352!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 352!74-1 is prime! (0.0136s+0.0009s) (digits:12)
 
 Primality testing 360!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 360!74-1 is prime! (0.0150s+0.0008s) (digits:12)
 
 Primality testing 362!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 362!74-1 is prime! (0.0156s+0.0006s) (digits:12)
 
 Primality testing 386!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N+1 test using discriminant 19, base 1+sqrt(19)
 Running N+1 test using discriminant 19, base 2+sqrt(19)
 Calling N+1 BLS with factored part 100.00% and helper 26.19% (330.95% proof)
 386!74-1 is prime! (0.0570s+0.0011s) (digits:13)
 
 Primality testing 412!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 23
 Calling Brillhart-Lehmer-Selfridge with factored part 40.91%
 412!74-1 is prime! (0.0249s+0.0036s) (digits:14)
 
 Primality testing 416!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N+1 test using discriminant 17, base 1+sqrt(17)
 Running N+1 test using discriminant 17, base 2+sqrt(17)
 Calling N+1 BLS with factored part 100.00% and helper 8.89% (311.11% proof)
 416!74-1 is prime! (0.0479s+0.0015s) (digits:14)
 
 Primality testing 430!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N+1 test using discriminant 17, base 1+sqrt(17)
 Running N+1 test using discriminant 17, base 2+sqrt(17)
 Calling N+1 BLS with factored part 100.00% and helper 2.17% (302.17% proof)
 430!74-1 is prime! (0.0560s+0.0016s) (digits:14)
 
 Primality testing 448!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 2.08% (306.25% proof)
 448!74-1 is prime! (0.0401s+0.0021s) (digits:15)
 
 Primality testing 460!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N+1 test using discriminant 31, base 1+sqrt(31)
 Running N+1 test using discriminant 31, base 2+sqrt(31)
 Calling N+1 BLS with factored part 100.00% and helper 1.96% (303.92% proof)
 460!74-1 is prime! (0.0154s+0.0014s) (digits:16)
 
 Primality testing 470!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 9.62% (311.54% proof)
 470!74-1 is prime! (0.0091s+0.0010s) (digits:16)
 
 Primality testing 474!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N+1 test using discriminant 19, base 1+sqrt(19)
 Running N+1 test using discriminant 19, base 2+sqrt(19)
 Calling N+1 BLS with factored part 100.00% and helper 19.23% (325.00% proof)
 474!74-1 is prime! (0.0095s+0.0036s) (digits:16)
 
 Primality testing 496!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 1.85% (303.70% proof)
 496!74-1 is prime! (0.0128s+0.0040s) (digits:17)
 
 Primality testing 500!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 19
 Running N+1 test using discriminant 31, base 1+sqrt(31)
 Running N+1 test using discriminant 31, base 2+sqrt(31)
 Calling N+1 BLS with factored part 100.00% and helper 20.37% (324.07% proof)
 500!74-1 is prime! (0.0094s+0.0022s) (digits:17)
 
 Primality testing 504!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N+1 test using discriminant 17, base 1+sqrt(17)
 Running N+1 test using discriminant 17, base 2+sqrt(17)
 Calling N+1 BLS with factored part 100.00% and helper 1.82% (301.82% proof)
 504!74-1 is prime! (0.0088s+0.0035s) (digits:17)
 
 Primality testing 510!74-1 [N-1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 23
 Running N-1 test using base 41
 Calling Brillhart-Lehmer-Selfridge with factored part 30.91%
 1/2
 510!74-1 is prime! (0.0427s+0.0014s) (digits:17)
 
 Primality testing 548!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 23, base 1+sqrt(23)
 Running N+1 test using discriminant 23, base 3+sqrt(23)
 Calling N+1 BLS with factored part 100.00% and helper 12.90% (312.90% proof)
 548!74-1 is prime! (0.0090s+0.0017s) (digits:19)
 
 Primality testing 562!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 29, base 1+sqrt(29)
 Running N+1 test using discriminant 29, base 2+sqrt(29)
 Calling N+1 BLS with factored part 100.00% and helper 1.59% (301.59% proof)
 562!74-1 is prime! (0.0091s+0.0011s) (digits:20)
 
 Primality testing 570!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 1.59% (304.76% proof)
 570!74-1 is prime! (0.0102s+0.0014s) (digits:20)
 
 Primality testing 580!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 19, base 1+sqrt(19)
 Running N+1 test using discriminant 19, base 2+sqrt(19)
 Calling N+1 BLS with factored part 100.00% and helper 1.56% (301.56% proof)
 580!74-1 is prime! (0.0096s+0.0011s) (digits:20)
 
 Primality testing 590!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 19
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 25.00% (329.69% proof)
 590!74-1 is prime! (0.0100s+0.0011s) (digits:20)
 
 Primality testing 616!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 53
 Running N+1 test using discriminant 61, base 1+sqrt(61)
 Running N+1 test using discriminant 61, base 2+sqrt(61)
 Calling N+1 BLS with factored part 100.00% and helper 14.29% (317.14% proof)
 616!74-1 is prime! (0.0093s+0.0011s) (digits:22)
 
 Primality testing 632!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 23, base 1+sqrt(23)
 Running N+1 test using discriminant 23, base 2+sqrt(23)
 Calling N+1 BLS with factored part 100.00% and helper 12.50% (312.50% proof)
 632!74-1 is prime! (0.0086s+0.0016s) (digits:22)
 
 Primality testing 656!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 2+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 1.37% (304.11% proof)
 656!74-1 is prime! (0.0090s+0.0013s) (digits:23)
 
 Primality testing 666!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 23, base 1+sqrt(23)
 Running N+1 test using discriminant 23, base 3+sqrt(23)
 Calling N+1 BLS with factored part 100.00% and helper 1.35% (302.70% proof)
 666!74-1 is prime! (0.0097s+0.0013s) (digits:23)
 
 Primality testing 680!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 23
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 16.67% (319.23% proof)
 680!74-1 is prime! (0.0095s+0.0016s) (digits:24)
 
 Primality testing 720!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 29
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 1.22% (302.44% proof)
 720!74-1 is prime! (0.0099s+0.0014s) (digits:25)
 
 Primality testing 738!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 47, base 1+sqrt(47)
 Running N+1 test using discriminant 47, base 2+sqrt(47)
 Calling N+1 BLS with factored part 100.00% and helper 14.46% (316.87% proof)
 738!74-1 is prime! (0.0101s+0.0011s) (digits:26)
 
 Primality testing 786!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 53, base 1+sqrt(53)
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 1.10% (303.30% proof)
 786!74-1 is prime! (0.0099s+0.0014s) (digits:28)
 
 Primality testing 816!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 23
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 1.06% (303.19% proof)
 816!74-1 is prime! (0.0109s+0.0013s) (digits:29)
 
 Primality testing 864!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 23
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 14.85% (316.83% proof)
 864!74-1 is prime! (0.0101s+0.0016s) (digits:31)
 
 Primality testing 904!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 29
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 2+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 10.19% (310.19% proof)
 904!74-1 is prime! (0.0096s+0.0012s) (digits:33)
 
 Primality testing 962!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 23, base 1+sqrt(23)
 Running N+1 test using discriminant 23, base 2+sqrt(23)
 Calling N+1 BLS with factored part 100.00% and helper 4.42% (305.31% proof)
 962!74-1 is prime! (0.0086s+0.0010s) (digits:35)
 
 Primality testing 968!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 29, base 1+sqrt(29)
 Running N+1 test using discriminant 29, base 2+sqrt(29)
 Calling N+1 BLS with factored part 100.00% and helper 0.86% (300.86% proof)
 968!74-1 is prime! (0.0099s+0.0010s) (digits:35)
 
 Primality testing 980!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 29, base 1+sqrt(29)
 Running N+1 test using discriminant 29, base 2+sqrt(29)
 Calling N+1 BLS with factored part 100.00% and helper 0.85% (301.69% proof)
 980!74-1 is prime! (0.0118s+0.0012s) (digits:36)
 
 Primality testing 1004!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 53
 Running N+1 test using discriminant 61, base 1+sqrt(61)
 Running N+1 test using discriminant 61, base 2+sqrt(61)
 Calling N+1 BLS with factored part 100.00% and helper 11.67% (314.17% proof)
 1004!74-1 is prime! (0.0095s+0.0013s) (digits:37)
 
 Primality testing 1006!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 0.83% (300.83% proof)
 1006!74-1 is prime! (0.0093s+0.0013s) (digits:37)
 
 Primality testing 1014!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 5.79% (308.26% proof)
 1014!74-1 is prime! (0.0114s+0.0009s) (digits:37)
 
 Primality testing 1078!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 47
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 4.58% (304.58% proof)
 1078!74-1 is prime! (0.0110s+0.0012s) (digits:40)
 
 Primality testing 1164!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 0.70% (300.70% proof)
 1164!74-1 is prime! (0.0115s+0.0011s) (digits:43)
 
 Primality testing 1170!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 53, base 1+sqrt(53)
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 10.56% (311.27% proof)
 1170!74-1 is prime! (0.0098s+0.0014s) (digits:43)
 
 Primality testing 1218!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 19
 Running N+1 test using discriminant 31, base 1+sqrt(31)
 Running N+1 test using discriminant 31, base 2+sqrt(31)
 Calling N+1 BLS with factored part 100.00% and helper 0.67% (302.00% proof)
 1218!74-1 is prime! (0.0104s+0.0013s) (digits:46)
 
 Primality testing 1232!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 67
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 10.60% (312.58% proof)
 1232!74-1 is prime! (0.0104s+0.0014s) (digits:46)
 
 Primality testing 1272!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 71, base 1+sqrt(71)
 Running N+1 test using discriminant 71, base 2+sqrt(71)
 Calling N+1 BLS with factored part 100.00% and helper 6.96% (308.23% proof)
 1272!74-1 is prime! (0.0109s+0.0012s) (digits:48)
 
 Primality testing 1350!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 0.59% (301.18% proof)
 1350!74-1 is prime! (0.0107s+0.0012s) (digits:52)
 
 Primality testing 1420!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 47
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 0.56% (301.12% proof)
 1420!74-1 is prime! (0.0111s+0.0010s) (digits:55)
 
 Primality testing 1428!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 2.78% (303.89% proof)
 1428!74-1 is prime! (0.0106s+0.0012s) (digits:55)
 
 Primality testing 1456!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 9.84% (310.38% proof)
 1456!74-1 is prime! (0.0648s+0.0012s) (digits:56)
 
 Primality testing 1528!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 29
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 2+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 8.29% (309.84% proof)
 1528!74-1 is prime! (0.0265s+0.0013s) (digits:59)
 
 Primality testing 1550!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 67
 Running N+1 test using discriminant 89, base 1+sqrt(89)
 Running N+1 test using discriminant 89, base 2+sqrt(89)
 Calling N+1 BLS with factored part 100.00% and helper 0.51% (301.03% proof)
 1550!74-1 is prime! (0.0110s+0.0010s) (digits:59)
 
 Primality testing 1558!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 43
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 0.51% (300.51% proof)
 1558!74-1 is prime! (0.0117s+0.0012s) (digits:60)
 
 Primality testing 1606!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 61
 Running N+1 test using discriminant 71, base 1+sqrt(71)
 Running N+1 test using discriminant 71, base 3+sqrt(71)
 Calling N+1 BLS with factored part 100.00% and helper 4.41% (305.88% proof)
 1606!74-1 is prime! (0.0117s+0.0011s) (digits:62)
 
 Primality testing 1616!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 47, base 1+sqrt(47)
 Running N+1 test using discriminant 47, base 2+sqrt(47)
 Calling N+1 BLS with factored part 100.00% and helper 3.41% (303.90% proof)
 1616!74-1 is prime! (0.0640s+0.0011s) (digits:62)
 
 Primality testing 1632!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 0.48% (301.44% proof)
 1632!74-1 is prime! (0.0690s+0.0057s) (digits:63)
 
 Primality testing 1696!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 0.46% (301.39% proof)
 1696!74-1 is prime! (0.0685s+0.0169s) (digits:66)
 
 Primality testing 1764!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 53
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 0.44% (300.44% proof)
 1764!74-1 is prime! (0.0828s+0.0015s) (digits:69)
 
 Primality testing 1816!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 73
 Running N+1 test using discriminant 83, base 1+sqrt(83)
 Running N+1 test using discriminant 83, base 2+sqrt(83)
 Calling N+1 BLS with factored part 100.00% and helper 3.81% (303.81% proof)
 1816!74-1 is prime! (0.0805s+0.0176s) (digits:72)
 
 Primality testing 1834!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 83, base 2+sqrt(83)
 Running N+1 test using discriminant 83, base 4+sqrt(83)
 Calling N+1 BLS with factored part 100.00% and helper 0.42% (300.84% proof)
 1834!74-1 is prime! (0.0852s+0.0179s) (digits:72)
 
 Primality testing 1836!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 3+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 0.42% (301.27% proof)
 1836!74-1 is prime! (0.0758s+0.0204s) (digits:72)
 
 Primality testing 1854!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 0.41% (300.41% proof)
 1854!74-1 is prime! (0.0635s+0.0145s) (digits:73)
 
 Primality testing 1906!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 61, base 1+sqrt(61)
 Running N+1 test using discriminant 61, base 2+sqrt(61)
 Calling N+1 BLS with factored part 100.00% and helper 0.40% (300.81% proof)
 1906!74-1 is prime! (0.0554s+0.0242s) (digits:75)
 
 Primality testing 1960!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 0.39% (300.78% proof)
 1960!74-1 is prime! (0.0705s+0.0141s) (digits:78)
 
 Primality testing 1972!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 47, base 1+sqrt(47)
 Running N+1 test using discriminant 47, base 2+sqrt(47)
 Calling N+1 BLS with factored part 100.00% and helper 0.39% (300.78% proof)
 1972!74-1 is prime! (0.0715s+0.0053s) (digits:78)
 
 Primality testing 1974!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 41
 Running N+1 test using discriminant 61, base 1+sqrt(61)
 Running N+1 test using discriminant 61, base 2+sqrt(61)
 Calling N+1 BLS with factored part 100.00% and helper 2.71% (303.88% proof)
 1974!74-1 is prime! (0.0641s+0.0242s) (digits:78)
 
 Primality testing 2002!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 3.42% (303.80% proof)
 2002!74-1 is prime! (0.0625s+0.0090s) (digits:80)
 
 Primality testing 2050!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 53, base 1+sqrt(53)
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 0.37% (300.37% proof)
 2050!74-1 is prime! (0.0552s+0.0151s) (digits:82)
 
 Primality testing 2056!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 2.96% (303.70% proof)
 2056!74-1 is prime! (0.0617s+0.0134s) (digits:82)
 
 Primality testing 2148!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 41
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 3.87% (303.87% proof)
 2148!74-1 is prime! (0.0613s+0.0160s) (digits:86)
 
 Primality testing 2180!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 59
 Running N+1 test using discriminant 71, base 1+sqrt(71)
 Running N+1 test using discriminant 71, base 2+sqrt(71)
 Calling N+1 BLS with factored part 100.00% and helper 0.34% (300.69% proof)
 2180!74-1 is prime! (0.0584s+0.0165s) (digits:88)
 
 Primality testing 2216!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 53
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 0.34% (301.02% proof)
 2216!74-1 is prime! (0.0616s+0.0182s) (digits:89)
 
 Primality testing 2226!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 83
 Running N+1 test using discriminant 97, base 1+sqrt(97)
 Running N+1 test using discriminant 97, base 2+sqrt(97)
 Calling N+1 BLS with factored part 100.00% and helper 2.36% (302.36% proof)
 2226!74-1 is prime! (0.0560s+0.0149s) (digits:90)
 
 Primality testing 2296!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 0.33% (300.33% proof)
 2296!74-1 is prime! (0.0616s+0.0096s) (digits:93)
 
 Primality testing 2304!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 53
 Running N+1 test using discriminant 97, base 1+sqrt(97)
 Running N+1 test using discriminant 97, base 2+sqrt(97)
 Calling N+1 BLS with factored part 100.00% and helper 0.32% (300.32% proof)
 2304!74-1 is prime! (0.0572s+0.0135s) (digits:94)
 
 Primality testing 2338!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 2.56% (303.19% proof)
 2338!74-1 is prime! (0.0619s+0.0066s) (digits:95)
 
 Primality testing 2372!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 59
 Running N+1 test using discriminant 73, base 1+sqrt(73)
 Running N+1 test using discriminant 73, base 2+sqrt(73)
 Calling N+1 BLS with factored part 100.00% and helper 2.83% (303.46% proof)
 2372!74-1 is prime! (0.0586s+0.0121s) (digits:96)
 
 Primality testing 2376!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 53, base 1+sqrt(53)
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 0.31% (300.94% proof)
 2376!74-1 is prime! (0.0592s+0.0122s) (digits:97)
 
 Primality testing 2386!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 59
 Running N+1 test using discriminant 71, base 1+sqrt(71)
 Running N+1 test using discriminant 71, base 2+sqrt(71)
 Calling N+1 BLS with factored part 100.00% and helper 0.31% (300.93% proof)
 2386!74-1 is prime! (0.0699s+0.0122s) (digits:97)
 
 Primality testing 2412!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 83
 Running N+1 test using discriminant 103, base 1+sqrt(103)
 Running N+1 test using discriminant 103, base 2+sqrt(103)
 Calling N+1 BLS with factored part 100.00% and helper 0.31% (300.93% proof)
 2412!74-1 is prime! (0.0516s+0.0079s) (digits:98)
 
 Primality testing 2456!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 43
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 2.71% (303.31% proof)
 2456!74-1 is prime! (0.0624s+0.0138s) (digits:101)
 
 Primality testing 2460!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 71
 Running N+1 test using discriminant 103, base 1+sqrt(103)
 Running N+1 test using discriminant 103, base 2+sqrt(103)
 Calling N+1 BLS with factored part 100.00% and helper 5.41% (305.71% proof)
 2460!74-1 is prime! (0.0553s+0.0078s) (digits:101)
 
 Primality testing 2488!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 61, base 1+sqrt(61)
 Running N+1 test using discriminant 61, base 2+sqrt(61)
 Calling N+1 BLS with factored part 100.00% and helper 0.30% (300.60% proof)
 2488!74-1 is prime! (0.0581s+0.0118s) (digits:102)
 
 Primality testing 2732!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 61
 Running N+1 test using discriminant 89, base 1+sqrt(89)
 Running N+1 test using discriminant 89, base 2+sqrt(89)
 Calling N+1 BLS with factored part 100.00% and helper 0.27% (300.54% proof)
 2732!74-1 is prime! (0.0598s+0.0125s) (digits:113)
 
 Primality testing 2812!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 41
 Running N+1 test using discriminant 53, base 1+sqrt(53)
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 3.39% (303.65% proof)
 2812!74-1 is prime! (0.0553s+0.0113s) (digits:116)
 
 Primality testing 2868!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 97, base 1+sqrt(97)
 Running N+1 test using discriminant 97, base 2+sqrt(97)
 Calling N+1 BLS with factored part 100.00% and helper 2.79% (303.30% proof)
 2868!74-1 is prime! (0.0675s+0.0141s) (digits:119)
 
 Primality testing 2920!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 1.99% (302.48% proof)
 2920!74-1 is prime! (0.0670s+0.0103s) (digits:122)
 
 Primality testing 2952!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 103
 Running N+1 test using discriminant 113, base 1+sqrt(113)
 Running N+1 test using discriminant 113, base 2+sqrt(113)
 Calling N+1 BLS with factored part 100.00% and helper 2.46% (303.20% proof)
 2952!74-1 is prime! (0.0581s+0.0066s) (digits:123)
 
 Primality testing 2970!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 101
 Running N+1 test using discriminant 109, base 1+sqrt(109)
 Running N+1 test using discriminant 109, base 2+sqrt(109)
 Calling N+1 BLS with factored part 100.00% and helper 2.19% (302.68% proof)
 2970!74-1 is prime! (0.0632s+0.0150s) (digits:124)
 
 Primality testing 3000!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 83, base 1+sqrt(83)
 Running N+1 test using discriminant 83, base 2+sqrt(83)
 Calling N+1 BLS with factored part 100.00% and helper 2.17% (302.89% proof)
 3000!74-1 is prime! (0.0635s+0.0140s) (digits:126)
 
 Primality testing 3048!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 67, base 1+sqrt(67)
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 2.12% (302.12% proof)
 3048!74-1 is prime! (0.0577s+0.0104s) (digits:128)
 
 Primality testing 3224!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 53, base 1+sqrt(53)
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 2.00% (302.67% proof)
 3224!74-1 is prime! (0.0630s+0.0153s) (digits:136)
 
 Primality testing 3254!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 79
 Running N+1 test using discriminant 101, base 1+sqrt(101)
 Running N+1 test using discriminant 101, base 2+sqrt(101)
 Calling N+1 BLS with factored part 100.00% and helper 0.22% (300.66% proof)
 3254!74-1 is prime! (0.0651s+0.0104s) (digits:137)
 
 Primality testing 3374!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 1.48% (301.90% proof)
 3374!74-1 is prime! (0.0633s+0.0084s) (digits:143)
 
 Primality testing 3472!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 97, base 1+sqrt(97)
 Running N+1 test using discriminant 97, base 2+sqrt(97)
 Calling N+1 BLS with factored part 100.00% and helper 0.20% (300.61% proof)
 3472!74-1 is prime! (0.0759s+0.0127s) (digits:148)
 
 Primality testing 3474!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 107, base 1+sqrt(107)
 Running N+1 test using discriminant 107, base 2+sqrt(107)
 Calling N+1 BLS with factored part 100.00% and helper 0.20% (300.61% proof)
 3474!74-1 is prime! (0.0549s+0.0130s) (digits:148)
 
 Primality testing 3500!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 83
 Running N+1 test using discriminant 151, base 1+sqrt(151)
 Running N+1 test using discriminant 151, base 2+sqrt(151)
 Calling N+1 BLS with factored part 100.00% and helper 1.41% (301.82% proof)
 3500!74-1 is prime! (0.0605s+0.0140s) (digits:150)
 
 Primality testing 3756!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 61
 Running N+1 test using discriminant 89, base 1+sqrt(89)
 Running N+1 test using discriminant 89, base 2+sqrt(89)
 Calling N+1 BLS with factored part 100.00% and helper 0.19% (300.56% proof)
 3756!74-1 is prime! (0.0687s+0.0121s) (digits:162)
 
 Primality testing 3856!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 73, base 1+sqrt(73)
 Running N+1 test using discriminant 73, base 2+sqrt(73)
 Calling N+1 BLS with factored part 100.00% and helper 0.18% (300.18% proof)
 3856!74-1 is prime! (0.0631s+0.0063s) (digits:167)
 
 Primality testing 3888!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 101, base 1+sqrt(101)
 Running N+1 test using discriminant 101, base 2+sqrt(101)
 Calling N+1 BLS with factored part 100.00% and helper 1.44% (301.44% proof)
 3888!74-1 is prime! (0.0501s+0.0132s) (digits:168)
 
 Primality testing 3914!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 113, base 1+sqrt(113)
 Running N+1 test using discriminant 113, base 2+sqrt(113)
 Calling N+1 BLS with factored part 100.00% and helper 0.18% (300.54% proof)
 3914!74-1 is prime! (0.0631s+0.0066s) (digits:169)
 
 Primality testing 4072!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 73, base 1+sqrt(73)
 Running N+1 test using discriminant 73, base 2+sqrt(73)
 Calling N+1 BLS with factored part 100.00% and helper 1.88% (302.22% proof)
 4072!74-1 is prime! (0.0626s+0.0143s) (digits:177)
 
 Primality testing 4194!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 97, base 1+sqrt(97)
 Running N+1 test using discriminant 97, base 2+sqrt(97)
 Calling N+1 BLS with factored part 100.00% and helper 2.97% (302.97% proof)
 4194!74-1 is prime! (0.0672s+0.0078s) (digits:183)
 
 Primality testing 4436!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 127
 Running N+1 test using discriminant 149, base 1+sqrt(149)
 Running N+1 test using discriminant 149, base 2+sqrt(149)
 Calling N+1 BLS with factored part 100.00% and helper 0.16% (300.16% proof)
 4436!74-1 is prime! (0.0654s+0.0035s) (digits:194)
 
 Primality testing 4688!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 113
 Running N+1 test using discriminant 137, base 1+sqrt(137)
 Running N+1 test using discriminant 137, base 2+sqrt(137)
 Calling N+1 BLS with factored part 100.00% and helper 0.15% (300.15% proof)
 4688!74-1 is prime! (0.0625s+0.0103s) (digits:208)
 
 Primality testing 4824!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 0.14% (300.42% proof)
 4824!74-1 is prime! (0.0815s+0.0126s) (digits:214)
 
 Primality testing 5212!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 101
 Running N+1 test using discriminant 107, base 1+sqrt(107)
 Running N+1 test using discriminant 107, base 3+sqrt(107)
 Calling N+1 BLS with factored part 97.16% and helper 0.13% (291.73% proof)
 5212!74-1 is prime! (0.0730s+0.0102s) (digits:234)
 
 Primality testing 5242!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 113, base 1+sqrt(113)
 Running N+1 test using discriminant 113, base 2+sqrt(113)
 Calling N+1 BLS with factored part 92.80% and helper 1.03% (279.56% proof)
 5242!74-1 is prime! (0.0701s+0.0101s) (digits:235)
 
 Primality testing 5832!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 101, base 1+sqrt(101)
 Running N+1 test using discriminant 101, base 2+sqrt(101)
 Calling N+1 BLS with factored part 93.61% and helper 0.11% (280.96% proof)
 5832!74-1 is prime! (0.0606s+0.0086s) (digits:265)
 
 Primality testing 5918!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 107
 Running N+1 test using discriminant 127, base 1+sqrt(127)
 Running N+1 test using discriminant 127, base 2+sqrt(127)
 Calling N+1 BLS with factored part 96.18% and helper 0.11% (288.78% proof)
 5918!74-1 is prime! (0.0537s+0.0076s) (digits:269)
 
 Primality testing 6042!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 103
 Running N+1 test using discriminant 139, base 1+sqrt(139)
 Running N+1 test using discriminant 139, base 2+sqrt(139)
 Calling N+1 BLS with factored part 96.39% and helper 0.11% (289.38% proof)
 6042!74-1 is prime! (0.0560s+0.0065s) (digits:276)
 
 Primality testing 6056!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 113
 Running N+1 test using discriminant 173, base 1+sqrt(173)
 Running N+1 test using discriminant 173, base 2+sqrt(173)
 Calling N+1 BLS with factored part 91.37% and helper 0.11% (274.32% proof)
 6056!74-1 is prime! (0.0569s+0.0135s) (digits:276)
 
 Primality testing 6392!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 97
 Running N+1 test using discriminant 131, base 1+sqrt(131)
 Running N+1 test using discriminant 131, base 2+sqrt(131)
 Calling N+1 BLS with factored part 97.64% and helper 0.10% (293.12% proof)
 6392!74-1 is prime! (0.0722s+0.0033s) (digits:294)
 
 Primality testing 6582!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 113, base 1+sqrt(113)
 Running N+1 test using discriminant 113, base 2+sqrt(113)
 Calling N+1 BLS with factored part 95.52% and helper 0.10% (286.65% proof)
 6582!74-1 is prime! (0.0624s+0.0067s) (digits:303)
 
 Primality testing 6668!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 107
 Running N+1 test using discriminant 127, base 1+sqrt(127)
 Running N+1 test using discriminant 127, base 2+sqrt(127)
 Calling N+1 BLS with factored part 94.52% and helper 0.10% (283.64% proof)
 6668!74-1 is prime! (0.0649s+0.0077s) (digits:308)
 
 Primality testing 6680!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 101
 Running N+1 test using discriminant 109, base 1+sqrt(109)
 Running N+1 test using discriminant 109, base 2+sqrt(109)
 Calling N+1 BLS with factored part 95.51% and helper 0.10% (286.82% proof)
 6680!74-1 is prime! (0.0740s+0.0059s) (digits:309)
 
 Primality testing 7118!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 151, base 1+sqrt(151)
 Running N+1 test using discriminant 151, base 2+sqrt(151)
 Calling N+1 BLS with factored part 94.81% and helper 0.09% (284.53% proof)
 7118!74-1 is prime! (0.0638s+0.0034s) (digits:331)
 
 Primality testing 7772!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 157
 Running N+1 test using discriminant 191, base 1+sqrt(191)
 Running N+1 test using discriminant 191, base 2+sqrt(191)
 Calling N+1 BLS with factored part 93.31% and helper 0.74% (280.84% proof)
 7772!74-1 is prime! (0.0686s+0.0150s) (digits:365)
 
 Primality testing 7878!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 139
 Running N+1 test using discriminant 167, base 1+sqrt(167)
 Running N+1 test using discriminant 167, base 2+sqrt(167)
 Calling N+1 BLS with factored part 93.50% and helper 0.65% (281.40% proof)
 7878!74-1 is prime! (0.0811s+0.0057s) (digits:371)
 
 Primality testing 8212!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 163
 Running N+1 test using discriminant 173, base 1+sqrt(173)
 Running N+1 test using discriminant 173, base 2+sqrt(173)
 Calling N+1 BLS with factored part 93.78% and helper 0.08% (281.59% proof)
 8212!74-1 is prime! (0.0839s+0.0122s) (digits:388)
 
 Primality testing 8226!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 179, base 1+sqrt(179)
 Running N+1 test using discriminant 179, base 2+sqrt(179)
 Calling N+1 BLS with factored part 95.59% and helper 0.08% (286.92% proof)
 8226!74-1 is prime! (0.0883s+0.0024s) (digits:390)
 
 Primality testing 8248!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 139, base 1+sqrt(139)
 Running N+1 test using discriminant 139, base 2+sqrt(139)
 Calling N+1 BLS with factored part 92.90% and helper 0.62% (279.55% proof)
 8248!74-1 is prime! (0.0733s+0.0015s) (digits:391)
 
 Primality testing 8354!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 167, base 1+sqrt(167)
 Running N+1 test using discriminant 167, base 2+sqrt(167)
 Calling N+1 BLS with factored part 92.84% and helper 0.08% (278.75% proof)
 8354!74-1 is prime! (0.0714s+0.0072s) (digits:396)
 
 Primality testing 8582!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 139
 Running N+1 test using discriminant 167, base 1+sqrt(167)
 Running N+1 test using discriminant 167, base 2+sqrt(167)
 Calling N+1 BLS with factored part 93.13% and helper 1.11% (280.71% proof)
 8582!74-1 is prime! (0.0970s+0.0015s) (digits:408)
 
 Primality testing 8774!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 127
 Running N-1 test using base 211
 Running N+1 test using discriminant 239, base 1+sqrt(239)
 Running N+1 test using discriminant 239, base 2+sqrt(239)
 Calling N+1 BLS with factored part 94.16% and helper 1.08% (283.72% proof)
 8774!74-1 is prime! (0.1153s+0.0012s) (digits:419)
 
 Primality testing 9232!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 151
 Running N+1 test using discriminant 163, base 1+sqrt(163)
 Running N+1 test using discriminant 163, base 2+sqrt(163)
 Calling N+1 BLS with factored part 92.85% and helper 0.07% (278.76% proof)
 9232!74-1 is prime! (0.0874s+0.0071s) (digits:443)
 
 Primality testing 9710!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 181
 Running N+1 test using discriminant 199, base 1+sqrt(199)
 Running N+1 test using discriminant 199, base 2+sqrt(199)
 Calling N+1 BLS with factored part 92.54% and helper 0.06% (277.83% proof)
 9710!74-1 is prime! (0.0869s+0.0012s) (digits:469)
 
 Primality testing 10220!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 229
 Running N+1 test using discriminant 239, base 1+sqrt(239)
 Running N+1 test using discriminant 239, base 2+sqrt(239)
 Calling N+1 BLS with factored part 91.38% and helper 0.06% (274.32% proof)
 10220!74-1 is prime! (0.1066s+0.0011s) (digits:496)
 
 Primality testing 10554!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 173, base 1+sqrt(173)
 Running N+1 test using discriminant 173, base 2+sqrt(173)
 Calling N+1 BLS with factored part 93.09% and helper 0.06% (279.38% proof)
 10554!74-1 is prime! (0.1252s+0.0013s) (digits:514)
 
 Primality testing 10656!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 149
 Running N+1 test using discriminant 157, base 1+sqrt(157)
 Running N+1 test using discriminant 157, base 2+sqrt(157)
 Calling N+1 BLS with factored part 100.00% and helper 0.06% (300.17% proof)
 10656!74-1 is prime! (0.0612s+0.0032s) (digits:519)
 
 Primality testing 10704!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 173
 Running N+1 test using discriminant 181, base 1+sqrt(181)
 Running N+1 test using discriminant 181, base 2+sqrt(181)
 Calling N+1 BLS with factored part 91.75% and helper 0.06% (275.43% proof)
 10704!74-1 is prime! (0.1429s+0.0066s) (digits:523)
 
 Primality testing 10802!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 173
 Running N+1 test using discriminant 211, base 1+sqrt(211)
 Running N+1 test using discriminant 211, base 2+sqrt(211)
 Calling N+1 BLS with factored part 93.26% and helper 0.06% (279.89% proof)
 10802!74-1 is prime! (0.1297s+0.0013s) (digits:527)
 
 Primality testing 11598!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 197
 Running N+1 test using discriminant 223, base 1+sqrt(223)
 Running N+1 test using discriminant 223, base 2+sqrt(223)
 Calling N+1 BLS with factored part 93.72% and helper 0.05% (281.28% proof)
 11598!74-1 is prime! (0.1285s+0.0039s) (digits:571)
 
 Primality testing 11696!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 197
 Running N+1 test using discriminant 227, base 1+sqrt(227)
 Running N+1 test using discriminant 227, base 2+sqrt(227)
 Calling N+1 BLS with factored part 93.89% and helper 0.05% (281.71% proof)
 11696!74-1 is prime! (0.1297s+0.0028s) (digits:577)
 
 Primality testing 11902!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 191, base 1+sqrt(191)
 Running N+1 test using discriminant 191, base 2+sqrt(191)
 Calling N+1 BLS with factored part 93.95% and helper 0.05% (281.91% proof)
 11902!74-1 is prime! (0.1366s+0.0011s) (digits:588)
 
 Primality testing 12354!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 223
 Running N+1 test using discriminant 251, base 1+sqrt(251)
 Running N+1 test using discriminant 251, base 2+sqrt(251)
 Calling N+1 BLS with factored part 93.36% and helper 0.05% (280.23% proof)
 12354!74-1 is prime! (0.1724s+0.0011s) (digits:613)
 
 Primality testing 12402!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 211
 Running N+1 test using discriminant 227, base 1+sqrt(227)
 Running N+1 test using discriminant 227, base 2+sqrt(227)
 Calling N+1 BLS with factored part 90.66% and helper 0.05% (272.11% proof)
 12402!74-1 is prime! (0.1441s+0.0016s) (digits:616)
 
 Primality testing 12594!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 269, base 1+sqrt(269)
 Running N+1 test using discriminant 269, base 2+sqrt(269)
 Calling N+1 BLS with factored part 90.14% and helper 0.48% (270.96% proof)
 12594!74-1 is prime! (0.1853s+0.0013s) (digits:627)
 
 Primality testing 12720!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 223
 Running N+1 test using discriminant 241, base 1+sqrt(241)
 Running N+1 test using discriminant 241, base 2+sqrt(241)
 Calling N+1 BLS with factored part 92.48% and helper 0.57% (278.06% proof)
 12720!74-1 is prime! (0.1882s+0.0012s) (digits:633)
 
 Primality testing 12746!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 281, base 1+sqrt(281)
 Running N+1 test using discriminant 281, base 2+sqrt(281)
 Calling N+1 BLS with factored part 91.41% and helper 0.05% (274.34% proof)
 12746!74-1 is prime! (0.1820s+0.0028s) (digits:635)
 
 Primality testing 12922!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 199
 Running N+1 test using discriminant 233, base 1+sqrt(233)
 Running N+1 test using discriminant 233, base 2+sqrt(233)
 Calling N+1 BLS with factored part 92.66% and helper 0.05% (278.03% proof)
 12922!74-1 is prime! (0.1441s+0.0016s) (digits:645)
 
 Primality testing 13090!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 241
 Running N+1 test using discriminant 263, base 1+sqrt(263)
 Running N+1 test using discriminant 263, base 2+sqrt(263)
 Calling N+1 BLS with factored part 91.61% and helper 0.05% (274.87% proof)
 13090!74-1 is prime! (0.1695s+0.0013s) (digits:654)
 
 Primality testing 13356!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 257, base 1+sqrt(257)
 Running N+1 test using discriminant 257, base 2+sqrt(257)
 Calling N+1 BLS with factored part 91.80% and helper 0.45% (275.99% proof)
 13356!74-1 is prime! (0.1564s+0.0012s) (digits:669)
 
 Primality testing 13498!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 233
 Running N+1 test using discriminant 241, base 1+sqrt(241)
 Running N+1 test using discriminant 241, base 2+sqrt(241)
 Calling N+1 BLS with factored part 93.50% and helper 0.04% (280.60% proof)
 13498!74-1 is prime! (0.1602s+0.0014s) (digits:677)
 
 Primality testing 13722!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 251
 Running N+1 test using discriminant 353, base 1+sqrt(353)
 Running N+1 test using discriminant 353, base 2+sqrt(353)
 Calling N+1 BLS with factored part 91.43% and helper 0.04% (274.34% proof)
 13722!74-1 is prime! (0.1558s+0.0014s) (digits:689)
 
 Primality testing 13820!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 311, base 1+sqrt(311)
 Running N+1 test using discriminant 311, base 2+sqrt(311)
 Calling N+1 BLS with factored part 93.15% and helper 0.04% (279.52% proof)
 13820!74-1 is prime! (0.1652s+0.0012s) (digits:695)
 
 Primality testing 13998!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 239
 Running N+1 test using discriminant 313, base 1+sqrt(313)
 Running N+1 test using discriminant 313, base 2+sqrt(313)
 Calling N+1 BLS with factored part 93.21% and helper 0.04% (279.74% proof)
 13998!74-1 is prime! (0.1894s+0.0013s) (digits:705)
 
 Primality testing 14004!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 239, base 1+sqrt(239)
 Running N+1 test using discriminant 239, base 2+sqrt(239)
 Calling N+1 BLS with factored part 92.70% and helper 0.04% (278.21% proof)
 14004!74-1 is prime! (0.1772s+0.0052s) (digits:705)
 
 Primality testing 14076!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 233
 Running N+1 test using discriminant 281, base 1+sqrt(281)
 Running N+1 test using discriminant 281, base 2+sqrt(281)
 Calling N+1 BLS with factored part 92.74% and helper 0.38% (278.67% proof)
 14076!74-1 is prime! (0.1767s+0.0013s) (digits:709)
 
 Primality testing 14286!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 277
 Running N+1 test using discriminant 283, base 1+sqrt(283)
 Running N+1 test using discriminant 283, base 2+sqrt(283)
 Calling N+1 BLS with factored part 95.90% and helper 0.33% (288.13% proof)
 14286!74-1 is prime! (0.1832s+0.0013s) (digits:721)
 
 Primality testing 14774!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 269
 Running N+1 test using discriminant 281, base 1+sqrt(281)
 Running N+1 test using discriminant 281, base 2+sqrt(281)
 Calling N+1 BLS with factored part 93.60% and helper 0.40% (281.24% proof)
 14774!74-1 is prime! (0.1927s+0.0013s) (digits:748)
 
 Primality testing 17200!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 281, base 1+sqrt(281)
 Running N+1 test using discriminant 281, base 2+sqrt(281)
 Calling N+1 BLS with factored part 93.64% and helper 0.34% (281.37% proof)
 17200!74-1 is prime! (0.2667s+0.0016s) (digits:886)
 
 Primality testing 17322!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 293
 Running N+1 test using discriminant 379, base 1+sqrt(379)
 Running N+1 test using discriminant 379, base 2+sqrt(379)
 Calling N+1 BLS with factored part 92.82% and helper 0.30% (278.79% proof)
 17322!74-1 is prime! (0.2682s+0.0022s) (digits:893)
 
 Primality testing 17440!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 263, base 1+sqrt(263)
 Running N+1 test using discriminant 263, base 3+sqrt(263)
 Calling N+1 BLS with factored part 93.20% and helper 0.03% (279.71% proof)
 17440!74-1 is prime! (0.2694s+0.0020s) (digits:900)
 
 Primality testing 18828!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 419, base 1+sqrt(419)
 Running N+1 test using discriminant 419, base 2+sqrt(419)
 Calling N+1 BLS with factored part 94.16% and helper 0.03% (282.57% proof)
 18828!74-1 is prime! (0.2831s+0.0014s) (digits:980)
 
 Primality testing 19372!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 337, base 1+sqrt(337)
 Running N+1 test using discriminant 337, base 3+sqrt(337)
 Calling N+1 BLS with factored part 93.89% and helper 0.03% (281.77% proof)
 19372!74-1 is prime! (0.3109s+0.0011s) (digits:1011)
 
 Primality testing 19490!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 311
 Running N+1 test using discriminant 353, base 1+sqrt(353)
 Running N+1 test using discriminant 353, base 2+sqrt(353)
 Calling N+1 BLS with factored part 93.64% and helper 0.03% (280.95% proof)
 19490!74-1 is prime! (0.3097s+0.0014s) (digits:1018)
 
 Primality testing 20544!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 347, base 1+sqrt(347)
 Running N+1 test using discriminant 347, base 2+sqrt(347)
 Calling N+1 BLS with factored part 93.53% and helper 0.03% (280.66% proof)
 20544!74-1 is prime! (0.3624s+0.0014s) (digits:1079)
 
 Primality testing 22096!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 359
 Running N+1 test using discriminant 421, base 1+sqrt(421)
 Running N+1 test using discriminant 421, base 2+sqrt(421)
 Calling N+1 BLS with factored part 93.64% and helper 0.03% (281.00% proof)
 22096!74-1 is prime! (0.4265s+0.0012s) (digits:1170)
 
 Primality testing 22304!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 389, base 1+sqrt(389)
 Running N+1 test using discriminant 389, base 2+sqrt(389)
 Calling N+1 BLS with factored part 93.05% and helper 0.03% (279.22% proof)
 22304!74-1 is prime! (0.3881s+0.0016s) (digits:1183)
 
 Primality testing 22496!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 311
 Running N+1 test using discriminant 317, base 1+sqrt(317)
 Running N+1 test using discriminant 317, base 3+sqrt(317)
 Calling N+1 BLS with factored part 100.00% and helper 0.30% (300.38% proof)
 22496!74-1 is prime! (0.2174s+0.0049s) (digits:1193)
 
 Primality testing 22850!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 337
 Running N+1 test using discriminant 379, base 1+sqrt(379)
 Running N+1 test using discriminant 379, base 2+sqrt(379)
 Calling N+1 BLS with factored part 94.84% and helper 0.02% (284.55% proof)
 22850!74-1 is prime! (0.4648s+0.0011s) (digits:1214)
 
 Primality testing 22996!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 467, base 1+sqrt(467)
 Running N+1 test using discriminant 467, base 2+sqrt(467)
 Calling N+1 BLS with factored part 95.84% and helper 0.02% (287.56% proof)
 22996!74-1 is prime! (0.4706s+0.0011s) (digits:1223)
 
 Primality testing 23342!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 389, base 1+sqrt(389)
 Running N+1 test using discriminant 389, base 2+sqrt(389)
 Calling N+1 BLS with factored part 95.91% and helper 0.02% (287.75% proof)
 23342!74-1 is prime! (0.5482s+0.0012s) (digits:1244)
 
 Primality testing 24048!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 463
 Running N+1 test using discriminant 509, base 1+sqrt(509)
 Running N+1 test using discriminant 509, base 2+sqrt(509)
 Calling N+1 BLS with factored part 93.83% and helper 0.28% (281.79% proof)
 24048!74-1 is prime! (0.5481s+0.0011s) (digits:1285)
 
 Primality testing 24260!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 409, base 1+sqrt(409)
 Running N+1 test using discriminant 409, base 2+sqrt(409)
 Calling N+1 BLS with factored part 92.99% and helper 0.02% (279.02% proof)
 24260!74-1 is prime! (0.5155s+0.0012s) (digits:1298)
 
 Primality testing 24664!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 359, base 1+sqrt(359)
 Running N+1 test using discriminant 359, base 2+sqrt(359)
 Calling N+1 BLS with factored part 95.81% and helper 0.02% (287.47% proof)
 24664!74-1 is prime! (0.5659s+0.0012s) (digits:1322)
 
 Primality testing 24904!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 397, base 1+sqrt(397)
 Running N+1 test using discriminant 397, base 2+sqrt(397)
 Calling N+1 BLS with factored part 93.46% and helper 0.02% (280.46% proof)
 24904!74-1 is prime! (0.5777s+0.0012s) (digits:1336)
 
 Primality testing 25308!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 347
 Running N+1 test using discriminant 367, base 1+sqrt(367)
 Running N+1 test using discriminant 367, base 2+sqrt(367)
 Calling N+1 BLS with factored part 100.00% and helper 0.22% (300.27% proof)
 25308!74-1 is prime! (0.3175s+0.0012s) (digits:1360)
 
 Primality testing 26952!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 479, base 1+sqrt(479)
 Running N+1 test using discriminant 479, base 2+sqrt(479)
 Calling N+1 BLS with factored part 95.33% and helper 0.02% (286.04% proof)
 26952!74-1 is prime! (0.6427s+0.0012s) (digits:1459)
 
 Primality testing 28222!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 607
 Running N+1 test using discriminant 641, base 1+sqrt(641)
 Running N+1 test using discriminant 641, base 2+sqrt(641)
 Calling N+1 BLS with factored part 95.02% and helper 0.26% (285.30% proof)
 28222!74-1 is prime! (0.7020s+0.0012s) (digits:1535)
 
 Primality testing 28626!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 487, base 1+sqrt(487)
 Running N+1 test using discriminant 487, base 2+sqrt(487)
 Calling N+1 BLS with factored part 93.82% and helper 0.02% (281.49% proof)
 28626!74-1 is prime! (0.6706s+0.0011s) (digits:1558)
 
 Primality testing 28816!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 439
 Running N+1 test using discriminant 503, base 1+sqrt(503)
 Running N+1 test using discriminant 503, base 2+sqrt(503)
 Calling N+1 BLS with factored part 94.90% and helper 0.02% (284.72% proof)
 28816!74-1 is prime! (0.7512s+0.0020s) (digits:1570)
 
 Primality testing 29102!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 439, base 1+sqrt(439)
 Running N+1 test using discriminant 439, base 2+sqrt(439)
 Calling N+1 BLS with factored part 94.14% and helper 0.25% (282.66% proof)
 29102!74-1 is prime! (0.7199s+0.0014s) (digits:1588)
 
 Primality testing 30354!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 491, base 1+sqrt(491)
 Running N+1 test using discriminant 491, base 2+sqrt(491)
 Calling N+1 BLS with factored part 95.64% and helper 0.02% (286.95% proof)
 30354!74-1 is prime! (0.7750s+0.0019s) (digits:1663)
 
 Primality testing 32312!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 457
 Running N+1 test using discriminant 647, base 1+sqrt(647)
 Running N+1 test using discriminant 647, base 2+sqrt(647)
 Calling N+1 BLS with factored part 94.25% and helper 0.02% (282.82% proof)
 32312!74-1 is prime! (1.0324s+0.0033s) (digits:1782)
 
 Primality testing 33956!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 523, base 1+sqrt(523)
 Running N+1 test using discriminant 523, base 2+sqrt(523)
 Calling N+1 BLS with factored part 94.98% and helper 0.19% (285.17% proof)
 33956!74-1 is prime! (1.1030s+0.0012s) (digits:1882)
 
 Primality testing 34666!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 787
 Running N+1 test using discriminant 853, base 1+sqrt(853)
 Running N+1 test using discriminant 853, base 2+sqrt(853)
 Calling N+1 BLS with factored part 94.62% and helper 0.38% (284.29% proof)
 34666!74-1 is prime! (1.1466s+0.0013s) (digits:1926)
 
 Primality testing 34944!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 661, base 1+sqrt(661)
 Running N+1 test using discriminant 661, base 2+sqrt(661)
 Calling N+1 BLS with factored part 95.12% and helper 0.02% (285.37% proof)
 34944!74-1 is prime! (1.1538s+0.0013s) (digits:1943)
 
 Primality testing 36614!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 631, base 1+sqrt(631)
 Running N+1 test using discriminant 631, base 2+sqrt(631)
 Calling N+1 BLS with factored part 96.11% and helper 0.01% (288.37% proof)
 36614!74-1 is prime! (1.2483s+0.0032s) (digits:2046)
 
 Primality testing 36996!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 593
 Running N+1 test using discriminant 617, base 1+sqrt(617)
 Running N+1 test using discriminant 617, base 2+sqrt(617)
 Calling N+1 BLS with factored part 94.98% and helper 0.01% (284.97% proof)
 36996!74-1 is prime! (1.2114s+0.0015s) (digits:2069)
 
 Primality testing 38970!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 599
 Running N+1 test using discriminant 617, base 1+sqrt(617)
 Running N+1 test using discriminant 617, base 2+sqrt(617)
 Calling N+1 BLS with factored part 95.44% and helper 0.18% (286.49% proof)
 38970!74-1 is prime! (1.6029s+0.0014s) (digits:2192)
 
 Primality testing 39158!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 701
 Running N+1 test using discriminant 739, base 1+sqrt(739)
 Running N+1 test using discriminant 739, base 2+sqrt(739)
 Calling N+1 BLS with factored part 94.88% and helper 0.01% (284.64% proof)
 39158!74-1 is prime! (1.5912s+0.0012s) (digits:2204)
 
 Primality testing 40020!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 577, base 1+sqrt(577)
 Running N+1 test using discriminant 577, base 2+sqrt(577)
 Calling N+1 BLS with factored part 95.92% and helper 0.01% (287.79% proof)
 40020!74-1 is prime! (1.6612s+0.0012s) (digits:2257)
 
 Primality testing 40026!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 631
 Running N+1 test using discriminant 811, base 1+sqrt(811)
 Running N+1 test using discriminant 811, base 2+sqrt(811)
 Calling N+1 BLS with factored part 95.73% and helper 0.15% (287.35% proof)
 40026!74-1 is prime! (1.6537s+0.0019s) (digits:2257)
 
 Primality testing 40534!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 601
 Running N+1 test using discriminant 743, base 1+sqrt(743)
 Running N+1 test using discriminant 743, base 2+sqrt(743)
 Calling N+1 BLS with factored part 94.49% and helper 0.01% (283.50% proof)
 40534!74-1 is prime! (1.6691s+0.0013s) (digits:2289)
 
 Primality testing 40686!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 599
 Running N+1 test using discriminant 661, base 1+sqrt(661)
 Running N+1 test using discriminant 661, base 2+sqrt(661)
 Calling N+1 BLS with factored part 95.61% and helper 0.01% (286.87% proof)
 40686!74-1 is prime! (1.7113s+0.0015s) (digits:2298)
 
 Primality testing 40692!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 761
 Running N+1 test using discriminant 811, base 1+sqrt(811)
 Running N+1 test using discriminant 811, base 2+sqrt(811)
 Calling N+1 BLS with factored part 95.79% and helper 0.01% (287.40% proof)
 40692!74-1 is prime! (1.7018s+0.0013s) (digits:2298)
 
 Primality testing 42748!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 641, base 1+sqrt(641)
 Running N+1 test using discriminant 641, base 2+sqrt(641)
 Calling N+1 BLS with factored part 97.06% and helper 0.01% (291.22% proof)
 42748!74-1 is prime! (2.5373s+0.0014s) (digits:2427)
 
 Primality testing 43234!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 643
 Running N+1 test using discriminant 757, base 1+sqrt(757)
 Running N+1 test using discriminant 757, base 2+sqrt(757)
 Calling N+1 BLS with factored part 95.70% and helper 0.01% (287.11% proof)
 43234!74-1 is prime! (2.4566s+0.0014s) (digits:2458)
 
 Primality testing 44356!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 677
 Running N+1 test using discriminant 719, base 1+sqrt(719)
 Running N+1 test using discriminant 719, base 2+sqrt(719)
 Calling N+1 BLS with factored part 95.80% and helper 0.01% (287.42% proof)
 44356!74-1 is prime! (2.4937s+0.0015s) (digits:2528)
 
 Primality testing 46686!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 929
 Running N+1 test using discriminant 1049, base 1+sqrt(1049)
 Running N+1 test using discriminant 1049, base 2+sqrt(1049)
 Calling N+1 BLS with factored part 95.53% and helper 0.12% (286.71% proof)
 46686!74-1 is prime! (2.5138s+0.0014s) (digits:2674)
 
 Primality testing 48160!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 821
 Running N+1 test using discriminant 947, base 1+sqrt(947)
 Running N+1 test using discriminant 947, base 2+sqrt(947)
 Calling N+1 BLS with factored part 95.97% and helper 0.13% (288.05% proof)
 48160!74-1 is prime! (2.5378s+0.0014s) (digits:2767)
 
 Primality testing 48288!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 809, base 1+sqrt(809)
 Running N+1 test using discriminant 809, base 2+sqrt(809)
 Calling N+1 BLS with factored part 96.15% and helper 0.01% (288.47% proof)
 48288!74-1 is prime! (2.5290s+0.0014s) (digits:2776)
 
 Primality testing 48474!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 727, base 1+sqrt(727)
 Running N+1 test using discriminant 727, base 2+sqrt(727)
 Calling N+1 BLS with factored part 96.31% and helper 0.01% (288.94% proof)
 48474!74-1 is prime! (2.6226s+0.0015s) (digits:2788)
 
 Primality testing 48662!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 827, base 1+sqrt(827)
 Running N+1 test using discriminant 827, base 2+sqrt(827)
 Calling N+1 BLS with factored part 95.71% and helper 0.12% (287.27% proof)
 48662!74-1 is prime! (2.5346s+0.0014s) (digits:2800)
 
 Primality testing 48788!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 761
 Running N+1 test using discriminant 797, base 1+sqrt(797)
 Running N+1 test using discriminant 797, base 2+sqrt(797)
 Calling N+1 BLS with factored part 95.27% and helper 0.01% (285.83% proof)
 48788!74-1 is prime! (2.5325s+0.0016s) (digits:2808)
 
 Primality testing 49086!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 691, base 1+sqrt(691)
 Running N+1 test using discriminant 691, base 2+sqrt(691)
 Calling N+1 BLS with factored part 96.06% and helper 0.01% (288.21% proof)
 49086!74-1 is prime! (2.6257s+0.0014s) (digits:2827)
 
 Primality testing 49242!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 907, base 1+sqrt(907)
 Running N+1 test using discriminant 907, base 2+sqrt(907)
 Calling N+1 BLS with factored part 95.31% and helper 0.14% (286.08% proof)
 49242!74-1 is prime! (2.6469s+0.0016s) (digits:2836)
 
 Primality testing 52302!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 823
 Running N+1 test using discriminant 829, base 1+sqrt(829)
 Running N+1 test using discriminant 829, base 2+sqrt(829)
 Calling N+1 BLS with factored part 95.29% and helper 0.01% (285.90% proof)
 52302!74-1 is prime! (2.8843s+0.0016s) (digits:3031)
 
 Primality testing 52758!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 881, base 1+sqrt(881)
 Running N+1 test using discriminant 881, base 2+sqrt(881)
 Calling N+1 BLS with factored part 95.63% and helper 0.01% (286.90% proof)
 52758!74-1 is prime! (2.8478s+0.0026s) (digits:3060)
 
 Primality testing 55370!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 929, base 1+sqrt(929)
 Running N+1 test using discriminant 929, base 3+sqrt(929)
 Calling N+1 BLS with factored part 96.36% and helper 0.01% (289.10% proof)
 55370!74-1 is prime! (4.4009s+0.0016s) (digits:3227)
 
 Primality testing 55796!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 757
 Running N+1 test using discriminant 797, base 1+sqrt(797)
 Running N+1 test using discriminant 797, base 2+sqrt(797)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 55796!74-1 is prime! (2.2102s+0.0015s) (digits:3254)
 
 Primality testing 56802!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 977
 Running N+1 test using discriminant 1049, base 1+sqrt(1049)
 Running N+1 test using discriminant 1049, base 2+sqrt(1049)
 Calling N+1 BLS with factored part 95.94% and helper 0.01% (287.82% proof)
 56802!74-1 is prime! (4.4350s+0.0014s) (digits:3319)
 
 Primality testing 62024!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 919, base 1+sqrt(919)
 Running N+1 test using discriminant 919, base 2+sqrt(919)
 Calling N+1 BLS with factored part 96.28% and helper 0.01% (288.85% proof)
 62024!74-1 is prime! (4.4297s+0.0015s) (digits:3656)
 
 Primality testing 62216!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 971
 Running N+1 test using discriminant 1069, base 1+sqrt(1069)
 Running N+1 test using discriminant 1069, base 2+sqrt(1069)
 Calling N+1 BLS with factored part 96.64% and helper 0.11% (290.07% proof)
 62216!74-1 is prime! (4.6572s+0.0016s) (digits:3668)
 
 Primality testing 64138!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 953
 Running N+1 test using discriminant 1087, base 1+sqrt(1087)
 Running N+1 test using discriminant 1087, base 2+sqrt(1087)
 Calling N+1 BLS with factored part 96.04% and helper 0.01% (288.13% proof)
 64138!74-1 is prime! (4.7015s+0.0018s) (digits:3793)
 
 Primality testing 65422!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1033, base 1+sqrt(1033)
 Running N+1 test using discriminant 1033, base 2+sqrt(1033)
 Calling N+1 BLS with factored part 96.23% and helper 0.01% (288.72% proof)
 65422!74-1 is prime! (4.7954s+0.0016s) (digits:3877)
 
 Primality testing 67540!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1097, base 1+sqrt(1097)
 Running N+1 test using discriminant 1097, base 2+sqrt(1097)
 Calling N+1 BLS with factored part 96.13% and helper 0.01% (288.40% proof)
 67540!74-1 is prime! (6.0800s+0.0018s) (digits:4014)
 
 Primality testing 69536!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1151
 Running N+1 test using discriminant 1187, base 1+sqrt(1187)
 Running N+1 test using discriminant 1187, base 2+sqrt(1187)
 Calling N+1 BLS with factored part 96.03% and helper 0.01% (288.10% proof)
 69536!74-1 is prime! (6.9939s+0.0019s) (digits:4145)
 
 Primality testing 69630!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1049
 Running N+1 test using discriminant 1103, base 1+sqrt(1103)
 Running N+1 test using discriminant 1103, base 2+sqrt(1103)
 Calling N+1 BLS with factored part 97.00% and helper 0.01% (291.00% proof)
 69630!74-1 is prime! (7.3552s+0.0017s) (digits:4151)
 
 Primality testing 72220!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1223
 Running N+1 test using discriminant 1249, base 1+sqrt(1249)
 Running N+1 test using discriminant 1249, base 2+sqrt(1249)
 Calling N+1 BLS with factored part 96.79% and helper 0.01% (290.37% proof)
 72220!74-1 is prime! (6.8997s+0.0018s) (digits:4320)
 
 Primality testing 75264!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1109, base 1+sqrt(1109)
 Running N+1 test using discriminant 1109, base 2+sqrt(1109)
 Calling N+1 BLS with factored part 96.22% and helper 0.01% (288.68% proof)
 75264!74-1 is prime! (7.0323s+0.0018s) (digits:4521)
 
 Primality testing 78860!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1153, base 1+sqrt(1153)
 Running N+1 test using discriminant 1153, base 2+sqrt(1153)
 Calling N+1 BLS with factored part 96.49% and helper 0.08% (289.58% proof)
 78860!74-1 is prime! (7.5225s+0.0020s) (digits:4759)
 
 Primality testing 84200!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1301, base 1+sqrt(1301)
 Running N+1 test using discriminant 1301, base 2+sqrt(1301)
 Calling N+1 BLS with factored part 96.99% and helper 0.01% (290.97% proof)
 84200!74-1 is prime! (10.6878s+0.0020s) (digits:5113)
 
 Primality testing 86468!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1471, base 1+sqrt(1471)
 Running N+1 test using discriminant 1471, base 2+sqrt(1471)
 Calling N+1 BLS with factored part 96.88% and helper 0.01% (290.66% proof)
 86468!74-1 is prime! (11.1161s+0.0019s) (digits:5264)
 
 Primality testing 86972!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1493
 Running N+1 test using discriminant 1579, base 1+sqrt(1579)
 Running N+1 test using discriminant 1579, base 2+sqrt(1579)
 Calling N+1 BLS with factored part 96.48% and helper 0.01% (289.44% proof)
 86972!74-1 is prime! (11.1901s+0.0019s) (digits:5298)
 
 Primality testing 88568!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1523, base 1+sqrt(1523)
 Running N+1 test using discriminant 1523, base 2+sqrt(1523)
 Calling N+1 BLS with factored part 96.79% and helper 0.01% (290.38% proof)
 88568!74-1 is prime! (11.1917s+0.0020s) (digits:5404)
 
 Primality testing 89400!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1291, base 1+sqrt(1291)
 Running N+1 test using discriminant 1291, base 2+sqrt(1291)
 Calling N+1 BLS with factored part 96.15% and helper 0.01% (288.46% proof)
 89400!74-1 is prime! (11.2075s+0.0021s) (digits:5460)
 
 Primality testing 91256!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1453
 Running N+1 test using discriminant 1543, base 1+sqrt(1543)
 Running N+1 test using discriminant 1543, base 2+sqrt(1543)
 Calling N+1 BLS with factored part 97.12% and helper 0.01% (291.38% proof)
 91256!74-1 is prime! (12.3553s+0.0021s) (digits:5585)
 
 Primality testing 91778!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1471
 Running N+1 test using discriminant 1487, base 1+sqrt(1487)
 Running N+1 test using discriminant 1487, base 2+sqrt(1487)
 Calling N+1 BLS with factored part 96.42% and helper 0.03% (289.30% proof)
 91778!74-1 is prime! (12.3736s+0.0023s) (digits:5620)
 
 Primality testing 92374!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1427
 Running N+1 test using discriminant 1493, base 1+sqrt(1493)
 Running N+1 test using discriminant 1493, base 2+sqrt(1493)
 Calling N+1 BLS with factored part 96.68% and helper 0.01% (290.05% proof)
 92374!74-1 is prime! (12.4943s+0.0029s) (digits:5660)
 
 Primality testing 93330!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1361
 Running N+1 test using discriminant 1583, base 1+sqrt(1583)
 Running N+1 test using discriminant 1583, base 2+sqrt(1583)
 Calling N+1 BLS with factored part 96.47% and helper 0.01% (289.42% proof)
 93330!74-1 is prime! (12.4074s+0.0023s) (digits:5724)
 
 Primality testing 93334!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1459, base 1+sqrt(1459)
 Running N+1 test using discriminant 1459, base 2+sqrt(1459)
 Calling N+1 BLS with factored part 96.88% and helper 0.01% (290.64% proof)
 93334!74-1 is prime! (12.6639s+0.0023s) (digits:5724)
 
 Primality testing 93522!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1433
 Running N+1 test using discriminant 1487, base 1+sqrt(1487)
 Running N+1 test using discriminant 1487, base 2+sqrt(1487)
 Calling N+1 BLS with factored part 97.12% and helper 0.01% (291.38% proof)
 93522!74-1 is prime! (12.9477s+0.0029s) (digits:5736)
 
 Primality testing 93562!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1669
 Running N+1 test using discriminant 1747, base 1+sqrt(1747)
 Running N+1 test using discriminant 1747, base 2+sqrt(1747)
 Calling N+1 BLS with factored part 96.96% and helper 0.01% (290.90% proof)
 93562!74-1 is prime! (13.0098s+0.0024s) (digits:5739)
 
 Primality testing 94460!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1511, base 1+sqrt(1511)
 Running N+1 test using discriminant 1511, base 2+sqrt(1511)
 Calling N+1 BLS with factored part 97.07% and helper 0.08% (291.29% proof)
 94460!74-1 is prime! (12.5612s+0.0023s) (digits:5800)
 
 Primality testing 97986!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1607
 Running N+1 test using discriminant 1621, base 1+sqrt(1621)
 Running N+1 test using discriminant 1621, base 2+sqrt(1621)
 Calling N+1 BLS with factored part 96.94% and helper 0.00% (290.83% proof)
 97986!74-1 is prime! (13.3106s+0.0019s) (digits:6037)
 
 Primality testing 98178!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1453
 Running N+1 test using discriminant 1471, base 1+sqrt(1471)
 Running N+1 test using discriminant 1471, base 2+sqrt(1471)
 Calling N+1 BLS with factored part 97.17% and helper 0.03% (291.56% proof)
 98178!74-1 is prime! (13.2431s+0.0024s) (digits:6050)
 
 Primality testing 98812!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1493, base 1+sqrt(1493)
 Running N+1 test using discriminant 1493, base 2+sqrt(1493)
 Calling N+1 BLS with factored part 96.74% and helper 0.00% (290.23% proof)
 98812!74-1 is prime! (13.3958s+0.0024s) (digits:6093)
 
 Primality testing 99454!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1753
 Running N+1 test using discriminant 1777, base 1+sqrt(1777)
 Running N+1 test using discriminant 1777, base 2+sqrt(1777)
 Calling N+1 BLS with factored part 96.84% and helper 0.00% (290.53% proof)
 99454!74-1 is prime! (13.3919s+0.0023s) (digits:6135)
 
 Primality testing 100324!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1619
 Running N+1 test using discriminant 1667, base 1+sqrt(1667)
 Running N+1 test using discriminant 1667, base 2+sqrt(1667)
 Calling N+1 BLS with factored part 97.16% and helper 0.00% (291.49% proof)
 100324!74-1 is prime! (13.6943s+0.0023s) (digits:6195)
 
 Primality testing 101246!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1601, base 1+sqrt(1601)
 Running N+1 test using discriminant 1601, base 2+sqrt(1601)
 Calling N+1 BLS with factored part 97.12% and helper 0.00% (291.37% proof)
 101246!74-1 is prime! (13.5205s+0.0023s) (digits:6257)
 
 Primality testing 101626!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1699
 Running N+1 test using discriminant 1811, base 1+sqrt(1811)
 Running N+1 test using discriminant 1811, base 2+sqrt(1811)
 Calling N+1 BLS with factored part 96.68% and helper 0.06% (290.12% proof)
 101626!74-1 is prime! (13.5918s+0.0025s) (digits:6283)
 
 Primality testing 103256!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1597
 Running N+1 test using discriminant 1747, base 1+sqrt(1747)
 Running N+1 test using discriminant 1747, base 2+sqrt(1747)
 Calling N+1 BLS with factored part 97.17% and helper 0.00% (291.52% proof)
 103256!74-1 is prime! (14.4136s+0.0025s) (digits:6393)
 
 Primality testing 103324!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1637, base 1+sqrt(1637)
 Running N+1 test using discriminant 1637, base 2+sqrt(1637)
 Calling N+1 BLS with factored part 97.03% and helper 0.00% (291.11% proof)
 103324!74-1 is prime! (13.8519s+0.0023s) (digits:6398)
 
 Primality testing 104148!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1697, base 1+sqrt(1697)
 Running N+1 test using discriminant 1697, base 2+sqrt(1697)
 Calling N+1 BLS with factored part 97.20% and helper 0.00% (291.61% proof)
 104148!74-1 is prime! (17.2441s+0.0025s) (digits:6454)
 
 Primality testing 105382!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1553, base 1+sqrt(1553)
 Running N+1 test using discriminant 1553, base 2+sqrt(1553)
 Calling N+1 BLS with factored part 96.59% and helper 0.00% (289.77% proof)
 105382!74-1 is prime! (19.9833s+0.0025s) (digits:6537)
 
 Primality testing 106888!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1723, base 1+sqrt(1723)
 Running N+1 test using discriminant 1723, base 2+sqrt(1723)
 Calling N+1 BLS with factored part 96.85% and helper 0.00% (290.56% proof)
 106888!74-1 is prime! (19.5265s+0.0025s) (digits:6640)
 
 Primality testing 106980!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1597
 Running N+1 test using discriminant 1669, base 1+sqrt(1669)
 Running N+1 test using discriminant 1669, base 2+sqrt(1669)
 Calling N+1 BLS with factored part 96.78% and helper 0.06% (290.41% proof)
 106980!74-1 is prime! (20.1492s+0.0033s) (digits:6646)
 
 Primality testing 123896!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1877
 Running N+1 test using discriminant 1933, base 1+sqrt(1933)
 Running N+1 test using discriminant 1933, base 2+sqrt(1933)
 Calling N+1 BLS with factored part 97.52% and helper 0.00% (292.57% proof)
 123896!74-1 is prime! (23.0160s+0.0039s) (digits:7803)
 
 Primality testing 124044!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1877
 Running N+1 test using discriminant 1933, base 1+sqrt(1933)
 Running N+1 test using discriminant 1933, base 2+sqrt(1933)
 Calling N+1 BLS with factored part 97.52% and helper 0.00% (292.58% proof)
 124044!74-1 is prime! (22.7149s+0.0038s) (digits:7814)
 
 Primality testing 124532!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1901, base 1+sqrt(1901)
 Running N+1 test using discriminant 1901, base 2+sqrt(1901)
 Calling N+1 BLS with factored part 97.17% and helper 0.00% (291.53% proof)
 124532!74-1 is prime! (22.4521s+0.0027s) (digits:7847)
 
 Primality testing 128016!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 1889, base 1+sqrt(1889)
 Running N+1 test using discriminant 1889, base 2+sqrt(1889)
 Calling N+1 BLS with factored part 97.19% and helper 0.00% (291.56% proof)
 128016!74-1 is prime! (32.6021s+0.0038s) (digits:8087)
 
 Primality testing 128648!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 2017, base 1+sqrt(2017)
 Running N+1 test using discriminant 2017, base 2+sqrt(2017)
 Calling N+1 BLS with factored part 97.38% and helper 0.00% (292.14% proof)
 128648!74-1 is prime! (32.8253s+0.0021s) (digits:8131)
 
 Primality testing 131176!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 2011, base 1+sqrt(2011)
 Running N+1 test using discriminant 2011, base 2+sqrt(2011)
 Calling N+1 BLS with factored part 97.31% and helper 0.00% (291.95% proof)
 131176!74-1 is prime! (31.9925s+0.0030s) (digits:8305)
 
 Primality testing 132652!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 2011
 Running N+1 test using discriminant 2087, base 1+sqrt(2087)
 Running N+1 test using discriminant 2087, base 2+sqrt(2087)
 Calling N+1 BLS with factored part 96.95% and helper 0.00% (290.85% proof)
 132652!74-1 is prime! (30.0335s+0.0029s) (digits:8408)
 
 Primality testing 133306!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 2179, base 1+sqrt(2179)
 Running N+1 test using discriminant 2179, base 2+sqrt(2179)
 Calling N+1 BLS with factored part 96.96% and helper 0.05% (290.94% proof)
 133306!74-1 is prime! (29.7336s+0.0023s) (digits:8453)
 
 Primality testing 136444!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 2129
 Running N+1 test using discriminant 2221, base 1+sqrt(2221)
 Running N+1 test using discriminant 2221, base 2+sqrt(2221)
 Calling N+1 BLS with factored part 97.58% and helper 0.00% (292.76% proof)
 136444!74-1 is prime! (29.4423s+0.0029s) (digits:8670)
 
 Primality testing 153836!74-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 2591, base 2+sqrt(2591)
 Running N+1 test using discriminant 2591, base 3+sqrt(2591)
 Calling N+1 BLS with factored part 97.61% and helper 0.00% (292.83% proof)
 153836!74-1 is prime! (33.9141s+0.0038s) (digits:9883)