20!16-1 trivially factors prime!: 79 (digits:2) 22!16-1 trivially factors prime!: 131 (digits:3) 24!16-1 trivially factors prime!: 191 (digits:3) 30!16-1 trivially factors prime!: 419 (digits:3) 34!16-1 trivially factors prime!: 1223 (digits:4) 36!16-1 trivially factors prime!: 2879 (digits:4) 44!16-1 trivially factors prime!: 14783 (digits:5) 46!16-1 trivially factors prime!: 19319 (digits:5) 52!16-1 trivially factors prime!: 149759 (digits:6) 58!16-1 trivially factors prime!: 633359 (digits:6) 76!16-1 trivially factors prime!: 67415039 (digits:8) 82!16-1 trivially factors prime!: 331214399 (digits:9) 86!16-1 trivially factors prime!: 1630601279 (digits:10) 94!16-1 trivially factors prime!: 8782562879 (digits:10) Primality testing 96!16-1 [N+1, BLS] 96!16-1 is prime! (0.031000 seconds) (digits:11) Primality testing 100!16-1 [N+1, BLS] 100!16-1 is prime! (0.031000 seconds) (digits:11) Primality testing 102!16-1 [N+1, BLS] 102!16-1 is prime! (0.032000 seconds) (digits:12) Primality testing 108!16-1 [N+1, BLS] 108!16-1 is prime! (0.031000 seconds) (digits:12) Primality testing 114!16-1 [N+1, BLS] 114!16-1 is prime! (0.031000 seconds) (digits:13) Primality testing 116!16-1 [N+1, BLS] 116!16-1 is prime! (0.000000 seconds) (digits:13) Primality testing 120!16-1 [N+1, BLS] 120!16-1 is prime! (0.000000 seconds) (digits:14) Primality testing 128!16-1 [N+1, BLS] 128!16-1 is prime! (0.000000 seconds) (digits:15) Primality testing 146!16-1 [N+1, BLS] 146!16-1 is prime! (0.078000 seconds) (digits:17) Primality testing 180!16-1 [N+1, BLS] 180!16-1 is prime! (0.016000 seconds) (digits:22) Primality testing 238!16-1 [N+1, BLS] 238!16-1 is prime! (0.000000 seconds) (digits:30) Primality testing 266!16-1 [N+1, BLS] 266!16-1 is prime! (0.079000 seconds) (digits:35) Primality testing 278!16-1 [N+1, BLS] 278!16-1 is prime! (0.000000 seconds) (digits:37) Primality testing 298!16-1 [N+1, BLS] 298!16-1 is prime! (0.047000 seconds) (digits:40) Primality testing 302!16-1 [N+1, BLS] 302!16-1 is prime! (0.015000 seconds) (digits:40) Primality testing 348!16-1 [N+1, BLS] 348!16-1 is prime! (0.047000 seconds) (digits:48) Primality testing 358!16-1 [N+1, BLS] 358!16-1 is prime! (0.047000 seconds) (digits:49) Primality testing 404!16-1 [N+1, BLS] 404!16-1 is prime! (0.047000 seconds) (digits:57) Primality testing 408!16-1 [N+1, BLS] 408!16-1 is prime! (0.047000 seconds) (digits:57) Primality testing 432!16-1 [N+1, BLS] 432!16-1 is prime! (0.047000 seconds) (digits:61) Primality testing 472!16-1 [N+1, BLS] 472!16-1 is prime! (0.047000 seconds) (digits:68) Primality testing 514!16-1 [N+1, BLS] 514!16-1 is prime! (0.047000 seconds) (digits:75) Primality testing 578!16-1 [N+1, BLS] 578!16-1 is prime! (0.031000 seconds) (digits:86) Primality testing 642!16-1 [N+1, BLS] 642!16-1 is prime! (0.031000 seconds) (digits:97) Primality testing 696!16-1 [N+1, BLS] 696!16-1 is prime! (0.047000 seconds) (digits:107) Primality testing 722!16-1 [N+1, BLS] 722!16-1 is prime! (0.125000 seconds) (digits:111) Primality testing 736!16-1 [N+1, BLS] 736!16-1 is prime! (0.047000 seconds) (digits:114) Primality testing 744!16-1 [N+1, BLS] 744!16-1 is prime! (0.047000 seconds) (digits:115) Primality testing 796!16-1 [N+1, BLS] 796!16-1 is prime! (0.063000 seconds) (digits:125) Primality testing 804!16-1 [N+1, BLS] 804!16-1 is prime! (0.109000 seconds) (digits:126) Primality testing 872!16-1 [N+1, BLS] 872!16-1 is prime! (0.047000 seconds) (digits:139) Primality testing 1164!16-1 [N+1, BLS] 1164!16-1 is prime! (0.141000 seconds) (digits:193) Primality testing 1194!16-1 [N+1, BLS] 1194!16-1 is prime! (0.078000 seconds) (digits:199) Primality testing 1224!16-1 [N+1, BLS] 1224!16-1 is prime! (0.062000 seconds) (digits:205) Primality testing 1254!16-1 [N+1, BLS] 1254!16-1 is prime! (0.110000 seconds) (digits:211) Primality testing 1300!16-1 [N+1, BLS] 1300!16-1 is prime! (0.078000 seconds) (digits:220) Primality testing 1348!16-1 [N+1, BLS] 1348!16-1 is prime! (0.156000 seconds) (digits:229) Primality testing 1354!16-1 [N+1, BLS] 1354!16-1 is prime! (0.156000 seconds) (digits:230) Primality testing 1688!16-1 [N+1, BLS] 1688!16-1 is prime! (0.110000 seconds) (digits:297) Primality testing 1806!16-1 [N+1, BLS] 1806!16-1 is prime! (0.453000 seconds) (digits:321) Primality testing 1864!16-1 [N+1, BLS] 1864!16-1 is prime! (0.172000 seconds) (digits:333) Primality testing 2070!16-1 [N+1, BLS] 2070!16-1 is prime! (0.328000 seconds) (digits:375) Primality testing 2174!16-1 [N+1, BLS] 2174!16-1 is prime! (0.469000 seconds) (digits:397) Primality testing 2260!16-1 [N+1, BLS] 2260!16-1 is prime! (0.406000 seconds) (digits:415) Primality testing 2348!16-1 [N+1, BLS] 2348!16-1 is prime! (0.250000 seconds) (digits:433) Primality testing 2432!16-1 [N+1, BLS] 2432!16-1 is prime! (0.235000 seconds) (digits:451) Primality testing 2460!16-1 [N+1, BLS] 2460!16-1 is prime! (0.281000 seconds) (digits:457) Primality testing 2876!16-1 [N+1, BLS] 2876!16-1 is prime! (0.359000 seconds) (digits:546) Primality testing 3790!16-1 [N+1, BLS] 3790!16-1 is prime! (1.469000 seconds) (digits:747) Primality testing 4310!16-1 [N+1, BLS] 4310!16-1 is prime! (0.953000 seconds) (digits:865) Primality testing 4764!16-1 [N+1, BLS] 4764!16-1 is prime! (4.297000 seconds) (digits:968) Primality testing 4798!16-1 [N+1, BLS] 4798!16-1 is prime! (2.219000 seconds) (digits:976) Primality testing 4932!16-1 [N+1, BLS] 4932!16-1 is prime! (3.422000 seconds) (digits:1007) Primality testing 4986!16-1 [N+1, BLS] 4986!16-1 is prime! (2.422000 seconds) (digits:1019) Primality testing 5046!16-1 [N+1, BLS] 5046!16-1 is prime! (2.391000 seconds) (digits:1033) Primality testing 5400!16-1 [N+1, BLS] 5400!16-1 is prime! (1.531000 seconds) (digits:1116) Primality testing 5626!16-1 [N+1, BLS] 5626!16-1 is prime! (3.266000 seconds) (digits:1168) Primality testing 6756!16-1 [N+1, BLS] 6756!16-1 is prime! (5.578000 seconds) (digits:1436) Primality testing 7394!16-1 [N+1, BLS] 7394!16-1 is prime! (3.297000 seconds) (digits:1590) Primality testing 7478!16-1 [N+1, BLS] 7478!16-1 is prime! (6.625000 seconds) (digits:1610) Primality testing 8564!16-1 [N+1, BLS] 8564!16-1 is prime! (15.828000 seconds) (digits:1875) Primality testing 8604!16-1 [N+1, BLS] 8604!16-1 is prime! (7.969000 seconds) (digits:1885) Primality testing 8948!16-1 [N+1, BLS] 8948!16-1 is prime! (23.656000 seconds) (digits:1970) Primality testing 9604!16-1 [N+1, BLS] 9604!16-1 is prime! (10.281000 seconds) (digits:2132) Primality testing 9866!16-1 [N+1, BLS] 9866!16-1 is prime! (10.968000 seconds) (digits:2198) Primality testing 10042!16-1 [N+1, BLS] 10042!16-1 is prime! (21.922000 seconds) (digits:2242) Primality testing 10548!16-1 [N+1, BLS] 10548!16-1 is prime! (22.829000 seconds) (digits:2369) Primality testing 11132!16-1 [N+1, BLS] 11132!16-1 is prime! (25.875000 seconds) (digits:2516) Primality testing 11508!16-1 [N+1, BLS] 11508!16-1 is prime! (16.563000 seconds) (digits:2611) Primality testing 12540!16-1 [N+1, BLS] 12540!16-1 is prime! (38.250000 seconds) (digits:2874) Primality testing 12734!16-1 [N+1, BLS] 12734!16-1 is prime! (41.969000 seconds) (digits:2924) Primality testing 13570!16-1 [N+1, BLS] 13570!16-1 is prime! (48.484000 seconds) (digits:3139) Primality testing 15554!16-1 [N+1, BLS] 15554!16-1 is prime! (86.593000 seconds) (digits:3655) Primality testing 18064!16-1 [N+1, BLS] 18064!16-1 is prime! (28.406000 seconds) (digits:4318) Primality testing 18558!16-1 [N+1, BLS] 18558!16-1 is prime! (32.625000 seconds) (digits:4450) Primality testing 18916!16-1 [N+1, BLS] 18916!16-1 is prime! (63.688000 seconds) (digits:4546) Primality testing 24462!16-1 [N+1, BLS] 24462!16-1 is prime! (98.468000 seconds) (digits:6048) Primality testing 29208!16-1 [N+1, BLS] 29208!16-1 is prime! (76.312000 seconds) (digits:7362) Primality testing 29598!16-1 [N+1, BLS] 29598!16-1 is prime! (160.186000 seconds) (digits:7471) Primality testing 35114!16-1 [N+1, BLS] 35114!16-1 is prime! (231.482000 seconds) (digits:9025) Primality testing 36696!16-1 [N+1, BLS] 36696!16-1 is prime! (352.276000 seconds) (digits:9476) Primality testing 40014!16-1 [N+1, BLS] 40014!16-1 is prime! (349.730000 seconds) (digits:10426) Ian Brown 07/2003 Primality testing 41118!16-1 [N+1, BLS] 41118!16-1 is prime! (359.292000 seconds) (digits:10744) Ian Brown 07/2003 Primality testing 41210!16-1 [N+1, BLS] 41210!16-1 is prime! (538.665000 seconds) (digits:10771) Ian Brown 07/2003 Primality testing 42778!16-1 [N+1, BLS] 42778!16-1 is prime! (759.943000 seconds) (digits:11224) Ian Brown 07/2003 Primality testing 44638!16-1 [N+1, BLS] 44638!16-1 is prime! (437.635000 seconds) (digits:11763) Ian Brown 07/2003 Primality testing 45490!16-1 [N+1, BLS] 45490!16-1 is prime! (671.163000 seconds) (digits:12011) Ian Brown 07/2003 Primality testing 47324!16-1 [N+1, BLS] 47324!16-1 is prime! (464.416000 seconds) (digits:12546) Ian Brown 07/2003 Primality testing 49002!16-1 [N+1, BLS] 49002!16-1 is prime! (304.293000 seconds) (digits:13037) Ian Brown 07/2003 Primality testing 54338!16-1 [N+1, BLS] 54338!16-1 is prime! (342.449000 seconds) (digits:14609) Ian Brown 07/2003 Primality testing 55522!16-1 [N+1, BLS] 55522!16-1 is prime! (691.726000 seconds) (digits:14960) Ian Brown 07/2003 Primality testing 58672!16-1 [N+1, BLS] 58672!16-1 is prime! (347.152000 seconds) (digits:15896) Ian Brown 07/2003 Primality testing 60258!16-1 [N+1, BLS] 60258!16-1 is prime! (937.238000 seconds) (digits:16369) Ian Brown 07/2003 Primality testing 62492!16-1 [N+1, BLS] 62492!16-1 is prime! (956.801000 seconds) (digits:17038) Ian Brown 07/2003 Primality testing 67944!16-1 [N+1, BLS] 67944!16-1 is prime! (1076.315000 seconds) (digits:18679) Ian Brown 07/2003 Primality testing 69156!16-1 [N+1, BLS] 69156!16-1 is prime! (1118.127000 seconds) (digits:19045) Ian Brown 07/2003 Primality testing 73116!16-1 [N+1, BLS] 73116!16-1 is prime! (1449.153000 seconds) (digits:20246) Ian Brown 07/2003 Primality testing 75186!16-1 [N+1, BLS] 75186!16-1 is prime! (2299.517000 seconds) (digits:20876) Ian Brown 07/2003 Primality testing 75426!16-1 [N+1, BLS] 75426!16-1 is prime! (1542.403000 seconds) (digits:20949) Ian Brown 07/2003 Primality testing 116340!16-1 [N+1, BLS] 116340!16-1 is prime! (5217.2827s+0.1217s) (digits:33679) Steven Harvey 12/2003 Primality testing 123066!16-1 [N+1, BLS] 123066!16-1 is prime! (3213.0311s+0.2157s) (digits:35814) Steven Harvey 12/2003 Primality testing 130200!16-1 [N+1, BLS] 130200!16-1 is prime! (2127.4413s+0.2813s) (digits:38089) Steven Harvey 01/2004 Primality testing 152818!16-1 [N+1, BLS] 152818!16-1 is prime! (4528.3193s+0.2057s) (digits:45370) Steven Harvey p119 01/2004 Primality testing 167328!16-1 [N+1, BLS] Running N+1 test using discriminant 10459, base 1+sqrt(10459) 167328!16-1 is prime! (663.7616s+0.0477s) (digits:50089) Richard Kapek 09/2010 Primality testing 195388!16-1 [N-1/N+1, BLS] Running N-1 test using base 16301 Running N+1 test using discriminant 16369, base 1+sqrt(16369) Running N+1 test using discriminant 16369, base 2+sqrt(16369) 195388!16-1 is prime! (1210.7932s+0.0556s)(digits:59311) MO 07/2014 Primality testing 242918!16-1 [N-1/N+1, BLS] Running N-1 test using base 17573 Running N+1 test using discriminant 17669, base 1+sqrt(17669) Running N+1 test using discriminant 17669, base 2+sqrt(17669) 242918!16-1 is prime! (3414.3628s+0.0767s)(digits:75174) MO 07/2014 Primality testing 243200!16-1 [N-1/N+1, BLS] Running N-1 test using base 15217 Running N+1 test using discriminant 15241, base 1+sqrt(15241) Running N+1 test using discriminant 15241, base 2+sqrt(15241) 243200!16-1 is prime! (1570.0456s+0.5651s)(digits:75268) MO 07/2014 Primality testing 257002!16-1 [N-1/N+1, BLS] Running N-1 test using base 18371 Running N+1 test using discriminant 18427, base 1+sqrt(18427) Running N+1 test using discriminant 18427, base 2+sqrt(18427) 257002!16-1 is prime! (3911.9338s+0.0933s)(digits:79925) MO 07/2014 Primality testing 290244!16-1 [N-1/N+1, BLS] Running N-1 test using base 24247 Running N+1 test using discriminant 24359, base 1+sqrt(24359) Running N+1 test using discriminant 24359, base 2+sqrt(24359) 290244!16-1 is prime! (3354.7873s+0.1073s)(digits:91221) MO 07/2014 Primality testing 295826!16-1 [N-1/N+1, BLS] Running N-1 test using base 21247 Running N+1 test using discriminant 21383, base 1+sqrt(21383) Running N+1 test using discriminant 21383, base 2+sqrt(21383) 295826!16-1 is prime! (4809.4710s+0.1117s)(digits:93128) MO 07/2014 Primality testing 297016!16-1 [N-1/N+1, BLS] Running N-1 test using base 37139 Running N+1 test using discriminant 37199, base 1+sqrt(37199) Running N+1 test using discriminant 37199, base 2+sqrt(37199) 297016!16-1 is prime! (3500.1680s+0.1132s)(digits:93535) MO 07/2014 Primality testing 297050!16-1 [N-1/N+1, BLS] Running N-1 test using base 21227 Running N+1 test using discriminant 21283, base 1+sqrt(21283) Running N+1 test using discriminant 21283, base 2+sqrt(21283) 297050!16-1 is prime! (4246.5759s+0.1761s)(digits:93547) MO 07/2014 Primality testing 302250!16-1 [N-1/N+1, BLS] Running N-1 test using base 21683 Running N+1 test using discriminant 22067, base 1+sqrt(22067) Running N+1 test using discriminant 22067, base 2+sqrt(22067) 302250!16-1 is prime! (4321.8930s+0.1803s)(digits:95327) MO 07/2014 Primality testing 305810!16-1 [N-1/N+1, BLS] Running N-1 test using base 21871 Running N+1 test using discriminant 21991, base 1+sqrt(21991) Running N+1 test using discriminant 21991, base 2+sqrt(21991) 305810!16-1 is prime! (4663.7788s+0.1399s)(digits:96547) MO 07/2014 Primality testing 354772!16-1 [N+1, BLS] Running N+1 test using discriminant 29567, base 1+sqrt(29567) 354772!16-1 is prime! (1547.0189s+0.4610s)(digits:113434) MO 05/2021 Primality testing 373058!16-1 [N+1, BLS] Running N+1 test using discriminant 26711, base 1+sqrt(26711) 373058!16-1 is prime! (1269.4669s+0.4426s)(digits:119789) MO 05/2021 Primality testing 390852!16-1 [N+1, BLS] Running N+1 test using discriminant 32579, base 1+sqrt(32579) 390852!16-1 is prime! (1925.9464s+1.0131s)(digits:125997) MO 05/2021 Primality testing 395020!16-1 [N+1, BLS] Running N+1 test using discriminant 32933, base 1+sqrt(32933) 395020!16-1 is prime! (1970.1978s+0.5618s)(digits:127455) MO 05/2021 Primality testing 444818!16-1 [N+1, BLS] Running N+1 test using discriminant 31799, base 1+sqrt(31799) 444818!16-1 is prime! (1660.1716s+0.3809s)(digits:144955) MO 05/2021 Primality testing 459166!16-1 [N+1, BLS] Running N+1 test using discriminant 32833, base 1+sqrt(32833) 459166!16-1 is prime! (2452.1936s+0.4881s)(digits:150026) MO 05/2021 Primality testing 542542!16-1 [N+1, BLS] Running N+1 test using discriminant 38873, base 1+sqrt(38873) 542542!16-1 is prime! (2395.8823s+0.6743s)(digits:179725) MO 05/2021