15!13-1 trivially factors prime!: 29 (digits:2)
 16!13-1 trivially factors prime!: 47 (digits:2)
 17!13-1 trivially factors prime!: 67 (digits:2)
 18!13-1 trivially factors prime!: 89 (digits:2)
 19!13-1 trivially factors prime!: 113 (digits:3)
 20!13-1 trivially factors prime!: 139 (digits:3)
 21!13-1 trivially factors prime!: 167 (digits:3)
 22!13-1 trivially factors prime!: 197 (digits:3)
 23!13-1 trivially factors prime!: 229 (digits:3)
 24!13-1 trivially factors prime!: 263 (digits:3)
 26!13-1 trivially factors prime!: 337 (digits:3)
 28!13-1 trivially factors prime!: 839 (digits:3)
 30!13-1 trivially factors prime!: 2039 (digits:4)
 31!13-1 trivially factors prime!: 2789 (digits:4)
 34!13-1 trivially factors prime!: 5711 (digits:4)
 37!13-1 trivially factors prime!: 9767 (digits:4)
 38!13-1 trivially factors prime!: 11399 (digits:5)
 41!13-1 trivially factors prime!: 34439 (digits:5)
 43!13-1 trivially factors prime!: 87719 (digits:5)
 49!13-1 trivially factors prime!: 405719 (digits:6)
 50!13-1 trivially factors prime!: 488399 (digits:6)
 58!13-1 trivially factors prime!: 9521279 (digits:7)
 59!13-1 trivially factors prime!: 12538679 (digits:8)
 76!13-1 trivially factors prime!: 2338459199 (digits:10)
 
 Primality testing 81!13-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 81!13-1 is prime! (0.0152s+0.0006s) (digits:11)
 
 Primality testing 83!13-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 83!13-1 is prime! (0.0147s+0.0007s) (digits:11)
 
 Primality testing 91!13-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 91!13-1 is prime! (0.0164s+0.0008s) (digits:12)
 
 Primality testing 106!13-1 [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 2.17% (304.35% proof)
 106!13-1 is prime! (0.0755s+0.0024s) (digits:14)
 
 Primality testing 109!13-1 [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 14.58% (316.67% proof)
 109!13-1 is prime! (0.0789s+0.0017s) (digits:15)
 
 Primality testing 133!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Running N+1 test using discriminant 53, base 3+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 1.64% (301.64% proof)
 133!13-1 is prime! (0.0604s+0.0040s) (digits:19)
 
 Primality testing 167!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 43
 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 12.66% (316.46% proof)
 167!13-1 is prime! (0.0101s+0.0020s) (digits:25)
 
 Primality testing 218!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 47
 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 0.91% (300.91% proof)
 218!13-1 is prime! (0.0103s+0.0017s) (digits:34)
 
 Primality testing 277!13-1 [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 0.68% (302.05% proof)
 277!13-1 is prime! (0.0108s+0.0012s) (digits:45)
 
 Primality testing 335!13-1 [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 0.55% (300.55% proof)
 335!13-1 is prime! (0.0150s+0.0012s) (digits:56)
 
 Primality testing 342!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 5.85% (306.38% proof)
 342!13-1 is prime! (0.0149s+0.0011s) (digits:57)
 
 Primality testing 346!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 79
 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 0.53% (301.58% proof)
 346!13-1 is prime! (0.0138s+0.0012s) (digits:58)
 
 Primality testing 388!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Running N+1 test using discriminant 53, base 3+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 0.46% (301.38% proof)
 388!13-1 is prime! (0.0129s+0.0009s) (digits:66)
 
 Primality testing 414!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 3.83% (303.83% proof)
 414!13-1 is prime! (0.0134s+0.0013s) (digits:71)
 
 Primality testing 416!13-1 [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 3.39% (303.39% proof)
 416!13-1 is prime! (0.0104s+0.0017s) (digits:72)
 
 Primality testing 451!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 3.08% (303.46% proof)
 451!13-1 is prime! (0.0142s+0.0014s) (digits:79)
 
 Primality testing 484!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 3.18% (303.53% proof)
 484!13-1 is prime! (0.0154s+0.0012s) (digits:86)
 
 Primality testing 539!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.31% (300.62% proof)
 539!13-1 is prime! (0.0179s+0.0012s) (digits:97)
 
 Primality testing 603!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.27% (300.55% proof)
 603!13-1 is prime! (0.0181s+0.0009s) (digits:111)
 
 Primality testing 609!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Running N+1 test using discriminant 79, base 3+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 0.27% (300.27% proof)
 609!13-1 is prime! (0.0187s+0.0016s) (digits:112)
 
 Primality testing 670!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.24% (300.48% proof)
 670!13-1 is prime! (0.0196s+0.0013s) (digits:125)
 
 Primality testing 835!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 2.80% (303.36% proof)
 835!13-1 is prime! (0.0262s+0.0012s) (digits:162)
 
 Primality testing 880!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 2.64% (302.99% proof)
 880!13-1 is prime! (0.0269s+0.0011s) (digits:172)
 
 Primality testing 982!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.15% (300.15% proof)
 982!13-1 is prime! (0.0338s+0.0010s) (digits:195)
 
 Primality testing 998!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 107
 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 0.15% (300.15% proof)
 998!13-1 is prime! (0.0411s+0.0013s) (digits:199)
 
 Primality testing 1009!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 131, base 2+sqrt(131)
 Running N+1 test using discriminant 131, base 3+sqrt(131)
 Calling N+1 BLS with factored part 100.00% and helper 0.15% (300.45% proof)
 1009!13-1 is prime! (0.0413s+0.0010s) (digits:202)
 
 Primality testing 1038!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.15% (300.44% proof)
 1038!13-1 is prime! (0.0366s+0.0012s) (digits:208)
 
 Primality testing 1102!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 107
 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 100.00% and helper 0.14% (300.27% proof)
 1102!13-1 is prime! (0.0381s+0.0013s) (digits:223)
 
 Primality testing 1126!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 109
 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 100.00% and helper 1.32% (301.45% proof)
 1126!13-1 is prime! (0.0373s+0.0011s) (digits:229)
 
 Primality testing 1159!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.13% (300.38% proof)
 1159!13-1 is prime! (0.0399s+0.0010s) (digits:236)
 
 Primality testing 1208!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 1.22% (301.34% proof)
 1208!13-1 is prime! (0.0436s+0.0013s) (digits:248)
 
 Primality testing 1219!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 1.20% (301.20% proof)
 1219!13-1 is prime! (0.0419s+0.0012s) (digits:251)
 
 Primality testing 1224!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.12% (300.12% proof)
 1224!13-1 is prime! (0.0376s+0.0009s) (digits:252)
 
 Primality testing 1254!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.12% (300.12% proof)
 1254!13-1 is prime! (0.0426s+0.0011s) (digits:259)
 
 Primality testing 1271!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.11% (300.23% proof)
 1271!13-1 is prime! (0.0411s+0.0010s) (digits:263)
 
 Primality testing 1381!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.10% (300.21% proof)
 1381!13-1 is prime! (0.0471s+0.0014s) (digits:290)
 
 Primality testing 1456!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 127
 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 100.00% and helper 0.10% (300.10% proof)
 1456!13-1 is prime! (0.0407s+0.0010s) (digits:308)
 
 Primality testing 1543!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.82% (300.92% proof)
 1543!13-1 is prime! (0.0530s+0.0009s) (digits:329)
 
 Primality testing 1603!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.09% (300.26% proof)
 1603!13-1 is prime! (0.0574s+0.0012s) (digits:344)
 
 Primality testing 1661!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 199, base 1+sqrt(199)
 Running N+1 test using discriminant 199, base 3+sqrt(199)
 Calling N+1 BLS with factored part 100.00% and helper 0.08% (300.25% proof)
 1661!13-1 is prime! (0.0637s+0.0016s) (digits:358)
 
 Primality testing 1783!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.08% (300.23% proof)
 1783!13-1 is prime! (0.0665s+0.0010s) (digits:388)
 
 Primality testing 1850!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 191
 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 100.00% and helper 0.07% (300.07% proof)
 1850!13-1 is prime! (0.0991s+0.0011s) (digits:405)
 
 Primality testing 2036!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.07% (300.13% proof)
 2036!13-1 is prime! (0.0835s+0.0009s) (digits:452)
 
 Primality testing 2166!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 239
 Running N+1 test using discriminant 271, base 1+sqrt(271)
 Running N+1 test using discriminant 271, base 2+sqrt(271)
 Calling N+1 BLS with factored part 100.00% and helper 0.06% (300.19% proof)
 2166!13-1 is prime! (0.0977s+0.0010s) (digits:486)
 
 Primality testing 2327!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 193
 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 100.00% and helper 0.06% (300.17% proof)
 2327!13-1 is prime! (0.0839s+0.0009s) (digits:527)
 
 Primality testing 2355!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 281
 Running N+1 test using discriminant 307, base 1+sqrt(307)
 Running N+1 test using discriminant 307, base 2+sqrt(307)
 Calling N+1 BLS with factored part 100.00% and helper 0.06% (300.11% proof)
 2355!13-1 is prime! (0.1289s+0.0012s) (digits:534)
 
 Primality testing 2371!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 229, base 1+sqrt(229)
 Running N+1 test using discriminant 229, base 2+sqrt(229)
 Calling N+1 BLS with factored part 100.00% and helper 0.06% (300.17% proof)
 2371!13-1 is prime! (0.1241s+0.0012s) (digits:539)
 
 Primality testing 2704!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 223
 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 100.00% and helper 0.05% (300.10% proof)
 2704!13-1 is prime! (0.1088s+0.0010s) (digits:626)
 
 Primality testing 2722!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 229, base 1+sqrt(229)
 Running N+1 test using discriminant 229, base 2+sqrt(229)
 Calling N+1 BLS with factored part 100.00% and helper 0.05% (300.10% proof)
 2722!13-1 is prime! (0.2093s+0.0010s) (digits:631)
 
 Primality testing 3123!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.04% (300.08% proof)
 3123!13-1 is prime! (0.1987s+0.0010s) (digits:738)
 
 Primality testing 3169!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.04% (300.04% proof)
 3169!13-1 is prime! (0.2166s+0.0011s) (digits:750)
 
 Primality testing 3339!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.04% (300.08% proof)
 3339!13-1 is prime! (0.2168s+0.0020s) (digits:796)
 
 Primality testing 3440!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 383, base 1+sqrt(383)
 Running N+1 test using discriminant 383, base 2+sqrt(383)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.04% proof)
 3440!13-1 is prime! (0.2765s+0.0014s) (digits:823)
 
 Primality testing 3469!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 353
 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 100.00% and helper 0.04% (300.11% proof)
 3469!13-1 is prime! (0.3325s+0.0014s) (digits:831)
 
 Primality testing 3499!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 337, base 1+sqrt(337)
 Running N+1 test using discriminant 337, base 2+sqrt(337)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.04% proof)
 3499!13-1 is prime! (0.3266s+0.0014s) (digits:839)
 
 Primality testing 3998!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 383, base 1+sqrt(383)
 Running N+1 test using discriminant 383, base 2+sqrt(383)
 Calling N+1 BLS with factored part 100.00% and helper 0.03% (300.06% proof)
 3998!13-1 is prime! (0.3345s+0.0013s) (digits:977)
 
 Primality testing 4033!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.03% (300.06% proof)
 4033!13-1 is prime! (0.3436s+0.0018s) (digits:986)
 
 Primality testing 4127!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.65% (300.71% proof)
 4127!13-1 is prime! (0.3406s+0.0013s) (digits:1012)
 
 Primality testing 4235!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 0.03% (300.03% proof)
 4235!13-1 is prime! (0.4728s+0.0014s) (digits:1042)
 
 Primality testing 4716!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 463, base 1+sqrt(463)
 Running N+1 test using discriminant 463, base 2+sqrt(463)
 Calling N+1 BLS with factored part 100.00% and helper 0.03% (300.08% proof)
 4716!13-1 is prime! (0.4600s+0.0014s) (digits:1177)
 
 Primality testing 4872!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.30% (300.35% proof)
 4872!13-1 is prime! (0.4865s+0.0014s) (digits:1222)
 
 Primality testing 5065!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 499, base 1+sqrt(499)
 Running N+1 test using discriminant 499, base 2+sqrt(499)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.02% proof)
 5065!13-1 is prime! (0.7195s+0.0040s) (digits:1277)
 
 Primality testing 5185!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 457
 Running N+1 test using discriminant 521, base 1+sqrt(521)
 Running N+1 test using discriminant 521, base 2+sqrt(521)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.05% proof)
 5185!13-1 is prime! (0.6241s+0.0015s) (digits:1311)
 
 Primality testing 5380!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.02% (300.07% proof)
 5380!13-1 is prime! (0.6459s+0.0012s) (digits:1367)
 
 Primality testing 5483!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.02% (300.04% proof)
 5483!13-1 is prime! (0.6910s+0.0012s) (digits:1396)
 
 Primality testing 5557!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 569, base 1+sqrt(569)
 Running N+1 test using discriminant 569, base 2+sqrt(569)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.06% proof)
 5557!13-1 is prime! (0.6614s+0.0014s) (digits:1418)
 
 Primality testing 5572!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 499, base 1+sqrt(499)
 Running N+1 test using discriminant 499, base 2+sqrt(499)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.06% proof)
 5572!13-1 is prime! (0.6654s+0.0012s) (digits:1422)
 
 Primality testing 5829!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 593
 Running N+1 test using discriminant 619, base 1+sqrt(619)
 Running N+1 test using discriminant 619, base 2+sqrt(619)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.06% proof)
 5829!13-1 is prime! (0.7473s+0.0015s) (digits:1496)
 
 Primality testing 6256!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.20% (300.20% proof)
 6256!13-1 is prime! (0.8199s+0.0013s) (digits:1620)
 
 Primality testing 6261!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.02% (300.02% proof)
 6261!13-1 is prime! (0.8067s+0.0013s) (digits:1622)
 
 Primality testing 6502!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 557
 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 100.00% and helper 0.02% (300.02% proof)
 6502!13-1 is prime! (1.1785s+0.0013s) (digits:1692)
 
 Primality testing 7213!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 613
 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 100.00% and helper 0.16% (300.21% proof)
 7213!13-1 is prime! (1.2157s+0.0013s) (digits:1902)
 
 Primality testing 7222!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.02% (300.03% proof)
 7222!13-1 is prime! (1.1954s+0.0013s) (digits:1905)
 
 Primality testing 8158!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.01% (300.04% proof)
 8158!13-1 is prime! (1.6433s+0.0016s) (digits:2185)
 
 Primality testing 9142!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.15% (300.17% proof)
 9142!13-1 is prime! (2.6757s+0.0012s) (digits:2483)
 
 Primality testing 9213!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 953, base 1+sqrt(953)
 Running N+1 test using discriminant 953, base 3+sqrt(953)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 9213!13-1 is prime! (2.7457s+0.0015s) (digits:2504)
 
 Primality testing 9396!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.01% (300.04% proof)
 9396!13-1 is prime! (2.4850s+0.0017s) (digits:2560)
 
 Primality testing 10678!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1009, base 1+sqrt(1009)
 Running N+1 test using discriminant 1009, base 2+sqrt(1009)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 10678!13-1 is prime! (2.9598s+0.0015s) (digits:2955)
 
 Primality testing 11971!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1223, base 2+sqrt(1223)
 Running N+1 test using discriminant 1223, base 3+sqrt(1223)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 11971!13-1 is prime! (4.8290s+0.0016s) (digits:3358)
 
 Primality testing 12126!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.01% (300.03% proof)
 12126!13-1 is prime! (5.0203s+0.0016s) (digits:3407)
 
 Primality testing 12737!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.01% (300.01% proof)
 12737!13-1 is prime! (4.5136s+0.0017s) (digits:3599)
 
 Primality testing 12882!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1171, base 2+sqrt(1171)
 Running N+1 test using discriminant 1171, base 3+sqrt(1171)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 12882!13-1 is prime! (4.8227s+0.0016s) (digits:3645)
 
 Primality testing 13032!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1297, base 1+sqrt(1297)
 Running N+1 test using discriminant 1297, base 2+sqrt(1297)
 Calling N+1 BLS with factored part 100.00% and helper 0.10% (300.11% proof)
 13032!13-1 is prime! (4.7241s+0.0018s) (digits:3692)
 
 Primality testing 13806!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1087
 Running N+1 test using discriminant 1093, base 1+sqrt(1093)
 Running N+1 test using discriminant 1093, base 2+sqrt(1093)
 Calling N+1 BLS with factored part 100.00% and helper 0.09% (300.11% proof)
 13806!13-1 is prime! (2.5439s+0.0017s) (digits:3938)
 
 Primality testing 18050!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1567
 Running N+1 test using discriminant 1801, base 1+sqrt(1801)
 Running N+1 test using discriminant 1801, base 2+sqrt(1801)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 18050!13-1 is prime! (11.5507s+0.0024s) (digits:5310)
 
 Primality testing 18885!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1759, base 1+sqrt(1759)
 Running N+1 test using discriminant 1759, base 3+sqrt(1759)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 18885!13-1 is prime! (12.4907s+0.0019s) (digits:5584)
 
 Primality testing 19427!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1789, base 1+sqrt(1789)
 Running N+1 test using discriminant 1789, base 2+sqrt(1789)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 19427!13-1 is prime! (13.0813s+0.0024s) (digits:5762)
 
 Primality testing 19947!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1789, base 1+sqrt(1789)
 Running N+1 test using discriminant 1789, base 2+sqrt(1789)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 19947!13-1 is prime! (13.3424s+0.0024s) (digits:5934)
 
 Primality testing 20373!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1753, base 1+sqrt(1753)
 Running N+1 test using discriminant 1753, base 2+sqrt(1753)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof)
 20373!13-1 is prime! (13.4998s+0.0027s) (digits:6075)
 
 Primality testing 21264!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1889, base 1+sqrt(1889)
 Running N+1 test using discriminant 1889, base 3+sqrt(1889)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.01% proof)
 21264!13-1 is prime! (14.3363s+0.0025s) (digits:6371)
 
 Primality testing 23029!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 1931, base 1+sqrt(1931)
 Running N+1 test using discriminant 1931, base 2+sqrt(1931)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.01% proof)
 23029!13-1 is prime! (20.0065s+0.0026s) (digits:6961)
 
 Primality testing 24939!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 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 100.00% and helper 0.06% (300.06% proof)
 24939!13-1 is prime! (21.9528s+0.0032s) (digits:7605)
 
 Primality testing 25353!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 2129, base 1+sqrt(2129)
 Running N+1 test using discriminant 2129, base 2+sqrt(2129)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.01% proof)
 25353!13-1 is prime! (21.9347s+0.0031s) (digits:7745)
 
 Primality testing 29975!13-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 2707, base 1+sqrt(2707)
 Running N+1 test using discriminant 2707, base 2+sqrt(2707)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof)
 29975!13-1 is prime! (29.1902s+0.0040s) (digits:9324)