15!9-1 trivially factors prime!: 89 (digits:2)
 20!9-1 trivially factors prime!: 439 (digits:3)
 23!9-1 trivially factors prime!: 1609 (digits:4)
 27!9-1 trivially factors prime!: 4373 (digits:4)
 30!9-1 trivially factors prime!: 22679 (digits:5)
 44!9-1 trivially factors prime!: 5445439 (digits:7)
 51!9-1 trivially factors prime!: 152681759 (digits:9)
 
 Primality testing 62!9-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 62!9-1 is prime! (0.0301s+0.0012s) (digits:11)
 
 Primality testing 80!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 19, base 1+sqrt(19)
 Running N+1 test using discriminant 19, base 3+sqrt(19)
 Calling N+1 BLS with factored part 100.00% and helper 26.09% (328.26% proof)
 80!9-1 is prime! (0.0530s+0.0034s) (digits:15)
 
 Primality testing 90!9-1 [N-1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 11
 Running N-1 test using base 17
 Calling Brillhart-Lehmer-Selfridge with factored part 35.85%
 90!9-1 is prime! (0.0051s+0.0008s) (digits:17)
 
 Primality testing 95!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 3+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 7.02% (310.53% proof)
 95!9-1 is prime! (0.0505s+0.0230s) (digits:18)
 
 Primality testing 114!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 43
 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 1.39% (301.39% proof)
 114!9-1 is prime! (0.0451s+0.0110s) (digits:22)
 
 Primality testing 129!9-1 [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 1.20% (303.61% proof)
 129!9-1 is prime! (0.0162s+0.0009s) (digits:26)
 
 Primality testing 138!9-1 [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 6.67% (310.00% proof)
 138!9-1 is prime! (0.0098s+0.0010s) (digits:28)
 
 Primality testing 150!9-1 [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 10.00% (312.00% proof)
 150!9-1 is prime! (0.0081s+0.0007s) (digits:31)
 
 Primality testing 152!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 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 1.98% (303.96% proof)
 152!9-1 is prime! (0.0091s+0.0011s) (digits:31)
 
 Primality testing 156!9-1 [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 20.00% (320.95% proof)
 156!9-1 is prime! (0.0077s+0.0011s) (digits:32)
 
 Primality testing 182!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 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 1.59% (303.17% proof)
 182!9-1 is prime! (0.0093s+0.0013s) (digits:39)
 
 Primality testing 201!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 41
 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 6.34% (308.45% proof)
 201!9-1 is prime! (0.0083s+0.0015s) (digits:44)
 
 Primality testing 216!9-1 [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 4.52% (305.16% proof)
 216!9-1 is prime! (0.0077s+0.0009s) (digits:47)
 
 Primality testing 293!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N-1 test using base 47
 Running N-1 test using base 67
 Running N+1 test using discriminant 73, base 1+sqrt(73)
 Running N+1 test using discriminant 73, base 3+sqrt(73)
 Calling N+1 BLS with factored part 100.00% and helper 4.91% (305.36% proof)
 293!9-1 is prime! (0.0121s+0.0009s) (digits:68)
 
 Primality testing 332!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 73, base 1+sqrt(73)
 Running N+1 test using discriminant 73, base 3+sqrt(73)
 Calling N+1 BLS with factored part 100.00% and helper 0.77% (301.93% proof)
 332!9-1 is prime! (0.0128s+0.0010s) (digits:79)
 
 Primality testing 342!9-1 [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 3.35% (303.35% proof)
 342!9-1 is prime! (0.0092s+0.0009s) (digits:81)
 
 Primality testing 393!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 67
 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 0.31% (300.31% proof)
 393!9-1 is prime! (0.0144s+0.0010s) (digits:96)
 
 Primality testing 411!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 73
 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 0.30% (300.60% proof)
 411!9-1 is prime! (0.0138s+0.0014s) (digits:101)
 
 Primality testing 414!9-1 [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 0.30% (300.59% proof)
 414!9-1 is prime! (0.0119s+0.0012s) (digits:102)
 
 Primality testing 419!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 67, base 2+sqrt(67)
 Running N+1 test using discriminant 67, base 3+sqrt(67)
 Calling N+1 BLS with factored part 100.00% and helper 1.17% (301.17% proof)
 419!9-1 is prime! (0.0168s+0.0015s) (digits:104)
 
 Primality testing 525!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 113
 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 2.01% (302.68% proof)
 525!9-1 is prime! (0.0184s+0.0009s) (digits:135)
 
 Primality testing 668!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 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 100.00% and helper 0.34% (300.51% proof)
 668!9-1 is prime! (0.0271s+0.0011s) (digits:179)
 
 Primality testing 743!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 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 0.59% (300.74% proof)
 743!9-1 is prime! (0.0405s+0.0013s) (digits:203)
 
 Primality testing 800!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N-1 test using base 163
 Running N+1 test using discriminant 181, base 1+sqrt(181)
 Running N+1 test using discriminant 181, base 3+sqrt(181)
 Calling N+1 BLS with factored part 100.00% and helper 0.27% (300.55% proof)
 800!9-1 is prime! (0.0385s+0.0009s) (digits:221)
 
 Primality testing 972!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 109
 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 1.20% (301.41% proof)
 972!9-1 is prime! (0.0274s+0.0011s) (digits:278)
 
 Primality testing 1034!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N-1 test using base 149
 Running N+1 test using discriminant 163, base 1+sqrt(163)
 Running N+1 test using discriminant 163, base 3+sqrt(163)
 Calling N+1 BLS with factored part 100.00% and helper 0.20% (300.40% proof)
 1034!9-1 is prime! (0.0603s+0.0012s) (digits:298)
 
 Primality testing 1266!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 223
 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 0.08% (300.08% proof)
 1266!9-1 is prime! (0.0529s+0.0013s) (digits:377)
 
 Primality testing 1785!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 311
 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 100.00% and helper 0.05% (300.05% proof)
 1785!9-1 is prime! (0.1104s+0.0013s) (digits:561)
 
 Primality testing 1869!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 331
 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 0.05% (300.05% proof)
 1869!9-1 is prime! (0.1185s+0.0011s) (digits:591)
 
 Primality testing 2777!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 373, base 2+sqrt(373)
 Running N+1 test using discriminant 373, base 3+sqrt(373)
 Calling N+1 BLS with factored part 100.00% and helper 0.06% (300.13% proof)
 2777!9-1 is prime! (0.3287s+0.0011s) (digits:931)
 
 Primality testing 3561!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 607
 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 100.00% and helper 0.02% (300.05% proof)
 3561!9-1 is prime! (0.3824s+0.0010s) (digits:1236)
 
 Primality testing 3780!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 421
 Running N+1 test using discriminant 433, base 1+sqrt(433)
 Running N+1 test using discriminant 433, base 2+sqrt(433)
 Calling N+1 BLS with factored part 100.00% and helper 0.25% (300.27% proof)
 3780!9-1 is prime! (0.3270s+0.0011s) (digits:1322)
 
 Primality testing 4106!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 547, base 3+sqrt(547)
 Running N+1 test using discriminant 547, base 4+sqrt(547)
 Calling N+1 BLS with factored part 100.00% and helper 0.08% (300.08% proof)
 4106!9-1 is prime! (0.7180s+0.0012s) (digits:1453)
 
 Primality testing 4328!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 577, base 1+sqrt(577)
 Running N+1 test using discriminant 577, base 3+sqrt(577)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.06% proof)
 4328!9-1 is prime! (0.8061s+0.0012s) (digits:1542)
 
 Primality testing 4428!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 499
 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% (300.02% proof)
 4428!9-1 is prime! (0.4209s+0.0011s) (digits:1583)
 
 Primality testing 4556!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 619, base 3+sqrt(619)
 Running N+1 test using discriminant 619, base 4+sqrt(619)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.06% proof)
 4556!9-1 is prime! (0.8659s+0.0010s) (digits:1635)
 
 Primality testing 4574!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N-1 test using base 601
 Running N-1 test using base 619
 Running N-1 test using base 683
 Running N+1 test using discriminant 709, base 3+sqrt(709)
 Running N+1 test using discriminant 709, base 4+sqrt(709)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.07% proof)
 4574!9-1 is prime! (0.9892s+0.0011s) (digits:1642)
 
 Primality testing 4629!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 773
 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 0.02% (300.02% proof)
 4629!9-1 is prime! (0.6477s+0.0010s) (digits:1664)
 
 Primality testing 5001!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 853
 Running N+1 test using discriminant 859, base 1+sqrt(859)
 Running N+1 test using discriminant 859, base 2+sqrt(859)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.05% proof)
 5001!9-1 is prime! (0.9386s+0.0012s) (digits:1817)
 
 Primality testing 5397!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 919
 Running N+1 test using discriminant 937, base 1+sqrt(937)
 Running N+1 test using discriminant 937, base 2+sqrt(937)
 Calling N+1 BLS with factored part 100.00% and helper 0.18% (300.18% proof)
 5397!9-1 is prime! (0.9774s+0.0012s) (digits:1980)
 
 Primality testing 6315!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1093
 Running N+1 test using discriminant 1123, base 1+sqrt(1123)
 Running N+1 test using discriminant 1123, base 2+sqrt(1123)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.03% proof)
 6315!9-1 is prime! (1.4497s+0.0011s) (digits:2364)
 
 Primality testing 6768!9-1 [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)
 6768!9-1 is prime! (1.3032s+0.0012s) (digits:2556)
 
 Primality testing 6786!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 769
 Running N+1 test using discriminant 787, base 1+sqrt(787)
 Running N+1 test using discriminant 787, base 2+sqrt(787)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 6786!9-1 is prime! (1.3006s+0.0015s) (digits:2564)
 
 Primality testing 7146!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 797
 Running N+1 test using discriminant 821, base 1+sqrt(821)
 Running N+1 test using discriminant 821, base 2+sqrt(821)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 7146!9-1 is prime! (1.4171s+0.0012s) (digits:2718)
 
 Primality testing 7638!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1297
 Running N+1 test using discriminant 1303, base 1+sqrt(1303)
 Running N+1 test using discriminant 1303, base 2+sqrt(1303)
 Calling N+1 BLS with factored part 100.00% and helper 0.14% (300.15% proof)
 7638!9-1 is prime! (2.3653s+0.0012s) (digits:2929)
 
 Primality testing 9098!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 1171, base 1+sqrt(1171)
 Running N+1 test using discriminant 1171, base 3+sqrt(1171)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.03% proof)
 9098!9-1 is prime! (4.5118s+0.0015s) (digits:3566)
 
 Primality testing 9480!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1601
 Running N+1 test using discriminant 1619, base 1+sqrt(1619)
 Running N+1 test using discriminant 1619, base 2+sqrt(1619)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 9480!9-1 is prime! (3.8499s+0.0014s) (digits:3734)
 
 Primality testing 9507!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1613
 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 100.00% and helper 0.11% (300.12% proof)
 9507!9-1 is prime! (3.9329s+0.0016s) (digits:3746)
 
 Primality testing 9764!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N-1 test using base 1297
 Running N+1 test using discriminant 1427, base 1+sqrt(1427)
 Running N+1 test using discriminant 1427, base 2+sqrt(1427)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.03% proof)
 9764!9-1 is prime! (5.4303s+0.0018s) (digits:3860)
 
 Primality testing 10902!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1847
 Running N+1 test using discriminant 1871, base 1+sqrt(1871)
 Running N+1 test using discriminant 1871, base 2+sqrt(1871)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 10902!9-1 is prime! (5.7028s+0.0020s) (digits:4367)
 
 Primality testing 11852!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N-1 test using base 1531
 Running N+1 test using discriminant 1549, base 1+sqrt(1549)
 Running N+1 test using discriminant 1549, base 3+sqrt(1549)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 11852!9-1 is prime! (8.5633s+0.0021s) (digits:4795)
 
 Primality testing 12237!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 2053
 Running N+1 test using discriminant 2131, base 1+sqrt(2131)
 Running N+1 test using discriminant 2131, base 2+sqrt(2131)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 12237!9-1 is prime! (9.1152s+0.0022s) (digits:4970)
 
 Primality testing 12447!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1399
 Running N+1 test using discriminant 1423, base 1+sqrt(1423)
 Running N+1 test using discriminant 1423, base 2+sqrt(1423)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 12447!9-1 is prime! (5.6347s+0.0021s) (digits:5065)
 
 Primality testing 16626!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 2777
 Running N+1 test using discriminant 2801, base 1+sqrt(2801)
 Running N+1 test using discriminant 2801, base 2+sqrt(2801)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof)
 16626!9-1 is prime! (16.3465s+0.0029s) (digits:6998)
 
 Primality testing 17264!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 2221, base 3+sqrt(2221)
 Running N+1 test using discriminant 2221, base 4+sqrt(2221)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 17264!9-1 is prime! (20.9788s+0.0023s) (digits:7297)
 
 Primality testing 17498!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3
 Running N+1 test using discriminant 2221, base 3+sqrt(2221)
 Running N+1 test using discriminant 2221, base 4+sqrt(2221)
 Calling N+1 BLS with factored part 100.00% and helper 0.09% (300.10% proof)
 17498!9-1 is prime! (21.5612s+0.0026s) (digits:7408)
 
 Primality testing 19581!9-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 3271
 Running N+1 test using discriminant 3301, base 1+sqrt(3301)
 Running N+1 test using discriminant 3301, base 2+sqrt(3301)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.01% proof)
 19581!9-1 is prime! (21.2417s+0.0037s) (digits:8395)