24!20+1 trivially factors prime!: 97 (digits:2) 26!20+1 trivially factors prime!: 157 (digits:3) 36!20+1 trivially factors prime!: 577 (digits:3) 46!20+1 trivially factors prime!: 7177 (digits:4) 48!20+1 trivially factors prime!: 10753 (digits:5) 56!20+1 trivially factors prime!: 32257 (digits:5) 62!20+1 trivially factors prime!: 114577 (digits:6) 64!20+1 trivially factors prime!: 270337 (digits:6) 66!20+1 trivially factors prime!: 473617 (digits:6) 72!20+1 trivially factors prime!: 1437697 (digits:7) 74!20+1 trivially factors prime!: 1902097 (digits:7) 78!20+1 trivially factors prime!: 3094417 (digits:7) 90!20+1 trivially factors prime!: 94500001 (digits:8) Primality testing 116!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 52.94% 116!20+1 is prime! (0.000000 seconds) (digits:11) Primality testing 126!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.21% 126!20+1 is prime! (0.000000 seconds) (digits:12) Primality testing 166!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 39.62% 166!20+1 is prime! (0.010000 seconds) (digits:17) Primality testing 190!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 43.55% 190!20+1 is prime! (0.010000 seconds) (digits:19) Primality testing 228!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 46.75% 228!20+1 is prime! (0.010000 seconds) (digits:24) Primality testing 232!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 46.15% 232!20+1 is prime! (0.020000 seconds) (digits:24) Primality testing 234!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 36.71% 234!20+1 is prime! (0.010000 seconds) (digits:24) Primality testing 248!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 45.88% 248!20+1 is prime! (0.010000 seconds) (digits:26) Primality testing 288!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 45.54% 288!20+1 is prime! (0.020000 seconds) (digits:31) Primality testing 314!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.14% 314!20+1 is prime! (0.040000 seconds) (digits:34) Primality testing 326!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 37.61% 326!20+1 is prime! (0.030000 seconds) (digits:36) Primality testing 330!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 40.68% 330!20+1 is prime! (0.010000 seconds) (digits:36) Primality testing 336!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 44.17% 336!20+1 is prime! (0.020000 seconds) (digits:37) Primality testing 350!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 41.73% 350!20+1 is prime! (0.010000 seconds) (digits:39) Primality testing 392!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 40.69% 392!20+1 is prime! (0.020000 seconds) (digits:44) Primality testing 408!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 40.79% 408!20+1 is prime! (0.010000 seconds) (digits:46) Primality testing 420!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 38.46% 420!20+1 is prime! (0.021000 seconds) (digits:48) Primality testing 486!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.95% 486!20+1 is prime! (0.010000 seconds) (digits:57) Primality testing 516!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 39.20% 516!20+1 is prime! (0.020000 seconds) (digits:61) Primality testing 522!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 36.63% 522!20+1 is prime! (0.020000 seconds) (digits:61) Primality testing 576!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 39.38% 576!20+1 is prime! (0.010000 seconds) (digits:69) Primality testing 656!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 37.88% 656!20+1 is prime! (0.020000 seconds) (digits:80) Primality testing 674!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.29% 674!20+1 is prime! (0.020000 seconds) (digits:83) Primality testing 702!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.04% 702!20+1 is prime! (0.030000 seconds) (digits:87) Primality testing 898!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.21% 898!20+1 is prime! (0.040000 seconds) (digits:115) Primality testing 1116!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.15% 1116!20+1 is prime! (0.030000 seconds) (digits:148) Primality testing 1248!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.93% 1248!20+1 is prime! (0.030000 seconds) (digits:168) Primality testing 1278!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 36.08% 1278!20+1 is prime! (0.060000 seconds) (digits:173) Primality testing 1286!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.36% 1286!20+1 is prime! (0.060000 seconds) (digits:174) Primality testing 1356!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 41.99% 1356!20+1 is prime! (0.030000 seconds) (digits:185) Primality testing 1380!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 63.94% 1380!20+1 is prime! (0.110000 seconds) (digits:189) Primality testing 1602!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.37% 1602!20+1 is prime! (0.091000 seconds) (digits:224) Primality testing 1656!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 40.99% 1656!20+1 is prime! (0.050000 seconds) (digits:233) Primality testing 1706!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.21% 1706!20+1 is prime! (0.060000 seconds) (digits:241) Primality testing 1726!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.87% 1726!20+1 is prime! (0.100000 seconds) (digits:244) Primality testing 1776!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 40.36% 1776!20+1 is prime! (0.050000 seconds) (digits:252) Primality testing 2062!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.32% 2062!20+1 is prime! (0.130000 seconds) (digits:299) Primality testing 2722!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.99% 2722!20+1 is prime! (0.351000 seconds) (digits:411) Primality testing 3306!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.24% 3306!20+1 is prime! (0.190000 seconds) (digits:512) Primality testing 3416!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 36.68% 3416!20+1 is prime! (0.180000 seconds) (digits:532) Primality testing 4074!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.64% 4074!20+1 is prime! (0.541000 seconds) (digits:649) Primality testing 4166!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.89% 4166!20+1 is prime! (0.341000 seconds) (digits:666) Primality testing 5270!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.71% 5270!20+1 is prime! (1.291000 seconds) (digits:869) Primality testing 6034!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.17% 6034!20+1 is prime! (1.593000 seconds) (digits:1012) Primality testing 7038!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.72% 7038!20+1 is prime! (1.021000 seconds) (digits:1203) Primality testing 7184!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.37% 7184!20+1 is prime! (1.072000 seconds) (digits:1232) Primality testing 8846!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.85% 8846!20+1 is prime! (3.805000 seconds) (digits:1556) Primality testing 9024!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 36.37% 9024!20+1 is prime! (1.583000 seconds) (digits:1591) Primality testing 9670!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 39.79% 9670!20+1 is prime! (4.085000 seconds) (digits:1720) Primality testing 12338!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.71% 12338!20+1 is prime! (6.159000 seconds) (digits:2258) Primality testing 12876!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.85% 12876!20+1 is prime! (4.206000 seconds) (digits:2369) Primality testing 17582!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.44% 17582!20+1 is prime! (1.203000 seconds) (digits:3353) Primality testing 18440!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 46.25% 18440!20+1 is prime! (2.141000 seconds) (digits:3535) Primality testing 20700!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 45.69% 20700!20+1 is prime! (2.438000 seconds) (digits:4020) Primality testing 20850!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 36.37% 20850!20+1 is prime! (5.359000 seconds) (digits:4053) Primality testing 22306!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.51% 22306!20+1 is prime! (5.953000 seconds) (digits:4368) Primality testing 22466!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.52% 22466!20+1 is prime! (6.015000 seconds) (digits:4403) Primality testing 22634!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.39% 22634!20+1 is prime! (5.969000 seconds) (digits:4439) Primality testing 30146!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.12% 30146!20+1 is prime! (4.516000 seconds) (digits:6100) Primality testing 30744!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.23% 30744!20+1 is prime! (10.203000 seconds) (digits:6234) Primality testing 32136!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.04% 32136!20+1 is prime! (33.908000 seconds) (digits:6547) Primality testing 34048!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.86% 34048!20+1 is prime! (23.063000 seconds) (digits:6979) Primality testing 37058!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.43% 37058!20+1 is prime! (68.809000 seconds) (digits:7664) Primality testing 40696!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.41% 40696!20+1 is prime! (73.085000 seconds) (digits:8499) Primality testing 41812!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.31% 41812!20+1 is prime! (87.926000 seconds) (digits:8756) Primality testing 48608!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.79% 48608!20+1 is prime! (46.867000 seconds) (digits:10338) Ian Brown 05/2003 Primality testing 49646!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.82% 49646!20+1 is prime! (119.992000 seconds) (digits:10582) Ian Brown 05/2003 Primality testing 53456!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.45% 53456!20+1 is prime! (130.438000 seconds) (digits:11479) Ian Brown 05/2003 Primality testing 58542!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.92% 58542!20+1 is prime! (60.988000 seconds) (digits:12686) Ian Brown 05/2003 Primality testing 65714!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.54% 65714!20+1 is prime! (239.694000 seconds) (digits:14405) Ian Brown 05/2003 Primality testing 67596!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.65% 67596!20+1 is prime! (99.884000 seconds) (digits:14859) Ian Brown 05/2003 Primality testing 72338!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.79% 72338!20+1 is prime! (317.126000 seconds) (digits:16008) Ian Brown 05/2003 Primality testing 74300!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 40.02% 74300!20+1 is prime! (195.661000 seconds) (digits:16485) Ian Brown 05/2003 Primality testing 79956!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.82% 79956!20+1 is prime! (147.172000 seconds) (digits:17867) Ian Brown 05/2003 Primality testing 83096!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.70% 83096!20+1 is prime! (162.614000 seconds) (digits:18638) Ian Brown 05/2003 Primality testing 98436!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.12% 98436!20+1 is prime! (596.388000 seconds) (digits:22441) Ian Brown 05/2003 Primality testing 100788!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.06% 100788!20+1 is prime! (260.014000 seconds) (digits:23029) Ian Brown 05/2003 Primality testing 106782!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.70% 106782!20+1 is prime! (279.883000 seconds) (digits:24532) Ian Brown 05/2003 Primality testing 110690!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.71% 110690!20+1 is prime! (458.820000 seconds) (digits:25516) Ian Brown 05/2003 Primality testing 131624!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 34.74% 131624!20+1 is prime! (177.778000 seconds) (digits:30836) Ian Brown p90 07/2003 Primality testing 162142!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.75% 162142!20+1 is prime! (209.594000 seconds) (digits:38719) Ken Davis p104 10/2003 Primality testing 174168!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.85% 174168!20+1 is prime! (367.0521s+0.0650s) (digits:41862) Ken Davis p104 11/2003 Primality testing 175516!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.83% 175516!20+1 is prime! (264.3196s+0.0530s) (digits:42215) Ken Davis p104 11/2003 Primality testing 208938!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 5 Running N-1 test using base 11621 Calling Brillhart-Lehmer-Selfridge with factored part 33.41% 208938!20+1 is prime! (292.8566s+0.1641s) (digits:51044) Marian Otremba 06/2013 Primality testing 209730!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 21017 Running N-1 test using base 21019 Calling Brillhart-Lehmer-Selfridge with factored part 33.93% 209730!20+1 is prime! (345.9509s+0.1635s) (digits:51255) Marian Otremba 06/2013 Primality testing 235280!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 11783 Running N-1 test using base 11801 Calling Brillhart-Lehmer-Selfridge with factored part 35.98% 235280!20+1 is prime! (427.2422s+0.1698s) (digits:58085) Marian Otremba 06/2013 Primality testing 282440!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.41% 282440!20+1 is prime! (2167.0054s+0.1576s) (digits:70848) Masataka Oita p176 06/2005 Primality testing 284842!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 33.67% 284842!20+1 is prime! (2298.8017s+0.1589s) (digits:71503) Masataka Oita p176 06/2005 Primality testing 290700!20+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 35.32% 290700!20+1 is prime! (2236.8126s+0.1732s) (digits:73102) Masataka Oita p176 10/2005 Primality testing 354722!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 5 Running N-1 test using base 19709 Calling Brillhart-Lehmer-Selfridge with factored part 33.40% 354722!20+1 is prime! (974.6854s+0.3285s) (digits:90734) Marian Otremba 08/2013 Primality testing 421892!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 26387 Calling Brillhart-Lehmer-Selfridge with factored part 33.55% 421892!20+1 is prime! (173.3714s+0.0660s)(digits:109504) Marian Otremba 06/2021 Primality testing 447394!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 5 Running N-1 test using base 24923 Calling Brillhart-Lehmer-Selfridge with factored part 33.38% 447394!20+1 is prime! (385.8690s+0.0403s)(digits:116693) Marian Otremba 06/2021 Primality testing 486418!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 27031 Running N-1 test using base 27061 Calling Brillhart-Lehmer-Selfridge with factored part 33.45% 486418!20+1 is prime! (529.0122s+0.0805s)(digits:127754) Marian Otremba 06/2021 Primality testing 559914!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 5 Running N-1 test using base 31153 Running N-1 test using base 31183 Running N-1 test using base 31333 Calling Brillhart-Lehmer-Selfridge with factored part 33.36% 559914!20+1 is prime! (1341.7870s+0.0982s)(digits:148768) Marian Otremba 06/2021 Primality testing 662952!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 5 Calling Brillhart-Lehmer-Selfridge with factored part 34.06% 662952!20+1 is prime! (362.1539s+0.1215s)(digits:178576) Marian Otremba 06/2021 Primality testing 704568!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 44123 Calling Brillhart-Lehmer-Selfridge with factored part 33.89% 704568!20+1 is prime! (596.0695s+0.1097s)(digits:190717) Marian Otremba 06/2021 Primality testing 715978!20+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 5 Running N-1 test using base 39791 Running N-1 test using base 39841 Calling Brillhart-Lehmer-Selfridge with factored part 33.50% 715978!20+1 is prime! (1675.8263s+0.1274s)(digits:194055) Marian Otremba 06/2021