15!13+1 trivially factors prime!: 31 (digits:2)
 22!13+1 trivially factors prime!: 199 (digits:3)
 27!13+1 trivially factors prime!: 379 (digits:3)
 31!13+1 trivially factors prime!: 2791 (digits:4)
 33!13+1 trivially factors prime!: 4621 (digits:4)
 37!13+1 trivially factors prime!: 9769 (digits:4)
 39!13+1 trivially factors prime!: 13183 (digits:5)
 40!13+1 trivially factors prime!: 15121 (digits:5)
 43!13+1 trivially factors prime!: 87721 (digits:5)
 44!13+1 trivially factors prime!: 122761 (digits:6)
 48!13+1 trivially factors prime!: 332641 (digits:6)
 50!13+1 trivially factors prime!: 488401 (digits:6)
 57!13+1 trivially factors prime!: 6997321 (digits:7)
 62!13+1 trivially factors prime!: 25154641 (digits:8)

 Primality testing 81!13+1 [N-1, BLS]
 81!13+1 is prime! (0.000000 seconds) (digits:11)

 Primality testing 84!13+1 [N-1, BLS]
 84!13+1 is prime! (0.016000 seconds) (digits:11)

 Primality testing 89!13+1 [N-1, BLS]
 89!13+1 is prime! (0.000000 seconds) (digits:12)

 Primality testing 97!13+1 [N-1, BLS]
 97!13+1 is prime! (0.000000 seconds) (digits:13)

 Primality testing 107!13+1 [N-1, BLS]
 107!13+1 is prime! (0.000000 seconds) (digits:15)

 Primality testing 110!13+1 [N-1, BLS]
 110!13+1 is prime! (0.000000 seconds) (digits:15)

 Primality testing 111!13+1 [N-1, BLS]
 111!13+1 is prime! (0.000000 seconds) (digits:15)

 Primality testing 120!13+1 [N-1, BLS]
 120!13+1 is prime! (0.015000 seconds) (digits:17)

 Primality testing 132!13+1 [N-1, BLS]
 132!13+1 is prime! (0.000000 seconds) (digits:19)

 Primality testing 133!13+1 [N-1, BLS]
 133!13+1 is prime! (0.015000 seconds) (digits:19)

 Primality testing 136!13+1 [N-1, BLS]
 136!13+1 is prime! (0.016000 seconds) (digits:20)

 Primality testing 144!13+1 [N-1, BLS]
 144!13+1 is prime! (0.016000 seconds) (digits:20)

 Primality testing 164!13+1 [N-1, BLS]
 164!13+1 is prime! (0.016000 seconds) (digits:24)

 Primality testing 169!13+1 [N-1, BLS]
 169!13+1 is prime! (0.015000 seconds) (digits:25)

 Primality testing 180!13+1 [N-1, BLS]
 180!13+1 is prime! (0.016000 seconds) (digits:27)

 Primality testing 202!13+1 [N-1, BLS]
 202!13+1 is prime! (0.015000 seconds) (digits:31)

 Primality testing 250!13+1 [N-1, BLS]
 250!13+1 is prime! (0.016000 seconds) (digits:40)

 Primality testing 252!13+1 [N-1, BLS]
 252!13+1 is prime! (0.016000 seconds) (digits:40)

 Primality testing 292!13+1 [N-1, BLS]
 292!13+1 is prime! (0.000000 seconds) (digits:48)

 Primality testing 303!13+1 [N-1, BLS]
 303!13+1 is prime! (0.016000 seconds) (digits:50)

 Primality testing 354!13+1 [N-1, BLS]
 354!13+1 is prime! (0.016000 seconds) (digits:59)

 Primality testing 407!13+1 [N-1, BLS]
 407!13+1 is prime! (0.016000 seconds) (digits:70)

 Primality testing 412!13+1 [N-1, BLS]
 412!13+1 is prime! (0.016000 seconds) (digits:71)

 Primality testing 418!13+1 [N-1, BLS]
 418!13+1 is prime! (0.015000 seconds) (digits:72)

 Primality testing 529!13+1 [N-1, BLS]
 529!13+1 is prime! (0.000000 seconds) (digits:95)

 Primality testing 530!13+1 [N-1, BLS]
 530!13+1 is prime! (0.015000 seconds) (digits:95)

 Primality testing 577!13+1 [N-1, BLS]
 577!13+1 is prime! (0.016000 seconds) (digits:105)

 Primality testing 644!13+1 [N-1, BLS]
 644!13+1 is prime! (0.031000 seconds) (digits:120)

 Primality testing 743!13+1 [N-1, BLS]
 743!13+1 is prime! (0.015000 seconds) (digits:141)

 Primality testing 813!13+1 [N-1, BLS]
 813!13+1 is prime! (0.016000 seconds) (digits:157)

 Primality testing 867!13+1 [N-1, BLS]
 867!13+1 is prime! (0.000000 seconds) (digits:169)

 Primality testing 912!13+1 [N-1, BLS]
 912!13+1 is prime! (0.031000 seconds) (digits:179)

 Primality testing 976!13+1 [N-1, BLS]
 976!13+1 is prime! (0.031000 seconds) (digits:194)

 Primality testing 1049!13+1 [N-1, BLS]
 1049!13+1 is prime! (0.031000 seconds) (digits:211)

 Primality testing 1077!13+1 [N-1, BLS]
 1077!13+1 is prime! (0.000000 seconds) (digits:217)

 Primality testing 1145!13+1 [N-1, BLS]
 1145!13+1 is prime! (0.016000 seconds) (digits:233)

 Primality testing 1218!13+1 [N-1, BLS]
 1218!13+1 is prime! (0.031000 seconds) (digits:251)

 Primality testing 1433!13+1 [N-1, BLS]
 1433!13+1 is prime! (0.016000 seconds) (digits:302)

 Primality testing 1497!13+1 [N-1, BLS]
 1497!13+1 is prime! (0.046000 seconds) (digits:318)

 Primality testing 1552!13+1 [N-1, BLS]
 1552!13+1 is prime! (0.031000 seconds) (digits:331)

 Primality testing 1556!13+1 [N-1, BLS]
 1556!13+1 is prime! (0.016000 seconds) (digits:332)

 Primality testing 1622!13+1 [N-1, BLS]
 1622!13+1 is prime! (0.016000 seconds) (digits:348)

 Primality testing 1656!13+1 [N-1, BLS]
 1656!13+1 is prime! (0.063000 seconds) (digits:357)

 Primality testing 1718!13+1 [N-1, BLS]
 1718!13+1 is prime! (0.015000 seconds) (digits:372)

 Primality testing 1727!13+1 [N-1, BLS]
 1727!13+1 is prime! (0.031000 seconds) (digits:374)

 Primality testing 1738!13+1 [N-1, BLS]
 1738!13+1 is prime! (0.094000 seconds) (digits:377)

 Primality testing 1909!13+1 [N-1, BLS]
 1909!13+1 is prime! (0.032000 seconds) (digits:420)

 Primality testing 2026!13+1 [N-1, BLS]
 2026!13+1 is prime! (0.032000 seconds) (digits:450)

 Primality testing 2152!13+1 [N-1, BLS]
 2152!13+1 is prime! (0.094000 seconds) (digits:482)

 Primality testing 2631!13+1 [N-1, BLS]
 2631!13+1 is prime! (0.062000 seconds) (digits:607)

 Primality testing 2658!13+1 [N-1, BLS]
 2658!13+1 is prime! (0.094000 seconds) (digits:614)

 Primality testing 3651!13+1 [N-1, BLS]
 3651!13+1 is prime! (0.109000 seconds) (digits:881)

 Primality testing 3909!13+1 [N-1, BLS]
 3909!13+1 is prime! (0.656000 seconds) (digits:952)

 Primality testing 4118!13+1 [N-1, BLS]
 4118!13+1 is prime! (0.125000 seconds) (digits:1010)

 Primality testing 4381!13+1 [N-1, BLS]
 4381!13+1 is prime! (0.172000 seconds) (digits:1083)

 Primality testing 4461!13+1 [N-1, BLS]
 4461!13+1 is prime! (0.344000 seconds) (digits:1106)

 Primality testing 4506!13+1 [N-1, BLS]
 4506!13+1 is prime! (0.313000 seconds) (digits:1118)

 Primality testing 4609!13+1 [N-1, BLS]
 4609!13+1 is prime! (0.141000 seconds) (digits:1147)

 Primality testing 4801!13+1 [N-1, BLS]
 4801!13+1 is prime! (0.390000 seconds) (digits:1202)

 Primality testing 5370!13+1 [N-1, BLS]
 5370!13+1 is prime! (0.453000 seconds) (digits:1364)

 Primality testing 5719!13+1 [N-1, BLS]
 5719!13+1 is prime! (0.484000 seconds) (digits:1464)

 Primality testing 5789!13+1 [N-1, BLS]
 5789!13+1 is prime! (0.313000 seconds) (digits:1485)

 Primality testing 5850!13+1 [N-1, BLS]
 5850!13+1 is prime! (0.359000 seconds) (digits:1502)

 Primality testing 5851!13+1 [N-1, BLS]
 5851!13+1 is prime! (0.500000 seconds) (digits:1502)

 Primality testing 6495!13+1 [N-1, BLS]
 6495!13+1 is prime! (0.375000 seconds) (digits:1690)

 Primality testing 6535!13+1 [N-1, BLS]
 6535!13+1 is prime! (1.985000 seconds) (digits:1702)

 Primality testing 6957!13+1 [N-1, BLS]
 6957!13+1 is prime! (1.109000 seconds) (digits:1826)

 Primality testing 7393!13+1 [N-1, BLS]
 7393!13+1 is prime! (1.828000 seconds) (digits:1956)

 Primality testing 7503!13+1 [N-1, BLS]
 7503!13+1 is prime! (1.110000 seconds) (digits:1988)

 Primality testing 7508!13+1 [N-1, BLS]
 7508!13+1 is prime! (1.062000 seconds) (digits:1990)

 Primality testing 7635!13+1 [N-1, BLS]
 7635!13+1 is prime! (0.500000 seconds) (digits:2028)

 Primality testing 7685!13+1 [N-1, BLS]
 7685!13+1 is prime! (1.375000 seconds) (digits:2043)

 Primality testing 7746!13+1 [N-1, BLS]
 7746!13+1 is prime! (0.656000 seconds) (digits:2061)

 Primality testing 7793!13+1 [N-1, BLS]
 7793!13+1 is prime! (1.078000 seconds) (digits:2075)

 Primality testing 8010!13+1 [N-1, BLS]
 8010!13+1 is prime! (1.328000 seconds) (digits:2140)

 Primality testing 8947!13+1 [N-1, BLS]
 8947!13+1 is prime! (0.891000 seconds) (digits:2423)

 Primality testing 9080!13+1 [N-1, BLS]
 9080!13+1 is prime! (1.844000 seconds) (digits:2464)

 Primality testing 9123!13+1 [N-1, BLS]
 9123!13+1 is prime! (0.671000 seconds) (digits:2477)

 Primality testing 9168!13+1 [N-1, BLS]
 9168!13+1 is prime! (0.922000 seconds) (digits:2491)

 Primality testing 9350!13+1 [N-1, BLS]
 9350!13+1 is prime! (3.172000 seconds) (digits:2546)

 Primality testing 9521!13+1 [N-1, BLS]
 9521!13+1 is prime! (2.141000 seconds) (digits:2599)

 Primality testing 10768!13+1 [N-1, BLS]
 10768!13+1 is prime! (1.125000 seconds) (digits:2983)

 Primality testing 11043!13+1 [N-1, BLS]
 11043!13+1 is prime! (2.484000 seconds) (digits:3068)

 Primality testing 11220!13+1 [N-1, BLS]
 11220!13+1 is prime! (2.797000 seconds) (digits:3123)

 Primality testing 11828!13+1 [N-1, BLS]
 11828!13+1 is prime! (2.859000 seconds) (digits:3313)

 Primality testing 12295!13+1 [N-1, BLS]
 12295!13+1 is prime! (2.312000 seconds) (digits:3460)

 Primality testing 12892!13+1 [N-1, BLS]
 12892!13+1 is prime! (2.469000 seconds) (digits:3648)

 Primality testing 13921!13+1 [N-1, BLS]
 13921!13+1 is prime! (7.140000 seconds) (digits:3975)

 Primality testing 14240!13+1 [N-1, BLS]
 14240!13+1 is prime! (4.719000 seconds) (digits:4077)

 Primality testing 16284!13+1 [N-1, BLS]
 16284!13+1 is prime! (7.766000 seconds) (digits:4734)

 Primality testing 17396!13+1 [N-1, BLS]
 17396!13+1 is prime! (15.156000 seconds) (digits:5096)

 Primality testing 18503!13+1 [N-1, BLS]
 18503!13+1 is prime! (5.235000 seconds) (digits:5458)

 Primality testing 21776!13+1 [N-1, BLS]
 21776!13+1 is prime! (16.125000 seconds) (digits:6541)

 Primality testing 23480!13+1 [N-1, BLS]
 23480!13+1 is prime! (20.672000 seconds) (digits:7112)

 Primality testing 24179!13+1 [N-1, BLS]
 24179!13+1 is prime! (18.234000 seconds) (digits:7348)

 Primality testing 24849!13+1 [N-1, BLS]
 24849!13+1 is prime! (22.047000 seconds) (digits:7574)

 Primality testing 26141!13+1 [N-1, BLS]
 26141!13+1 is prime! (11.921000 seconds) (digits:8012)

 Primality testing 28502!13+1 [N-1, BLS]
 28502!13+1 is prime! (11.594000 seconds) (digits:8818)

 Primality testing 30505!13+1 [N-1, BLS]
 30505!13+1 is prime! (12.781000 seconds) (digits:9507)

 Primality testing 31885!13+1 [N-1, BLS]
 31885!13+1 is prime! (43.625000 seconds) (digits:9984)

 Primality testing 32134!13+1 [N-1, BLS]
 32134!13+1 is prime! (56.281000 seconds) (digits:10070) Ken Davis 05/2003

 Primality testing 33363!13+1 [N-1, BLS]
 33363!13+1 is prime! (67.500000 seconds) (digits:10497) Ken Davis 05/2003

 Primality testing 33497!13+1 [N-1, BLS]
 33497!13+1 is prime! (16.703000 seconds) (digits:10543) Ken Davis 05/2003

 Primality testing 35322!13+1 [N-1, BLS]
 35322!13+1 is prime! (40.422000 seconds) (digits:11180) Ken Davis 05/2003

 Primality testing 36271!13+1 [N-1, BLS]
 36271!13+1 is prime! (18.250000 seconds) (digits:11512) Ken Davis 05/2003

 Primality testing 36539!13+1 [N-1, BLS]
 36539!13+1 is prime! (43.610000 seconds) (digits:11607) Ken Davis 05/2003

 Primality testing 39470!13+1 [N-1, BLS]
 39470!13+1 is prime! (59.985000 seconds) (digits:12639) Ken Davis 05/2003

 Primality testing 40698!13+1 [N-1, BLS]
 40698!13+1 is prime! (103.922000 seconds) (digits:13074) Ken Davis 05/2003

 Primality testing 41356!13+1 [N-1, BLS]
 41356!13+1 is prime! (120.984000 seconds) (digits:13308) Ken Davis 05/2003

 Primality testing 42461!13+1 [N-1, BLS]
 42461!13+1 is prime! (225.687000 seconds) (digits:13700) Ken Davis 05/2003

 Primality testing 43300!13+1 [N-1, BLS]
 43300!13+1 is prime! (43.766000 seconds) (digits:13999) Ken Davis 05/2003

 Primality testing 44873!13+1 [N-1, BLS]
 44873!13+1 is prime! (128.000000 seconds) (digits:14561) Ken Davis 05/2003

 Primality testing 52120!13+1 [N-1, BLS]
 52120!13+1 is prime! (74.703000 seconds) (digits:17173) Ken Davis 06/2003

 Primality testing 52348!13+1 [N-1, BLS]
 52348!13+1 is prime! (114.312000 seconds) (digits:17256) Ken Davis 06/2003

 Primality testing 53683!13+1 [N-1, BLS]
 53683!13+1 is prime! (50.500000 seconds) (digits:17741) Ken Davis 06/2003

 Primality testing 59272!13+1 [N-1, BLS]
 59272!13+1 is prime! (357.781000 seconds) (digits:19784) Ken Davis 06/2003

 Primality testing 60507!13+1 [N-1, BLS]
 60507!13+1 is prime! (211.734000 seconds) (digits:20238) Ken Davis 09/2003

 Primality testing 62017!13+1 [N-1, BLS]
 62017!13+1 is prime! (77.765000 seconds) (digits:20794) Ken Davis 09/2003

 Primality testing 63290!13+1 [N-1, BLS]
 63290!13+1 is prime! (396.922000 seconds) (digits:21264) Ken Davis 09/2003

 Primality testing 64878!13+1 [N-1, BLS]
 64878!13+1 is prime! (82.015000 seconds) (digits:21851) Ken Davis 10/2003

 Primality testing 65920!13+1 [N-1, BLS]
 65920!13+1 is prime! (203.406000 seconds) (digits:22237) Ken Davis 10/2003

 Primality testing 66482!13+1 [N-1, BLS]
 66482!13+1 is prime! (172.250000 seconds) (digits:22445) Ken Davis 10/2003

 Primality testing 73509!13+1 [N-1, BLS]
 73509!13+1 is prime! (228.875000 seconds) (digits:25064) Ken Davis 11/2003

 Primality testing 73927!13+1 [N-1, BLS]
 73927!13+1 is prime! (138.875000 seconds) (digits:25221) Ken Davis 11/2003

 Primality testing 75387!13+1 [N-1, BLS]
 75387!13+1 is prime! (138.938000 seconds) (digits:25768) Ken Davis 11/2003

 Primality testing 77395!13+1 [N-1, BLS]
 77395!13+1 is prime! (507.734000 seconds) (digits:26522) Ken Davis 12/2003

 Primality testing 80981!13+1 [N-1, BLS]
 80981!13+1 is prime! (203.375000 seconds) (digits:27874) Ken Davis 01/2004

 Primality testing 81261!13+1 [N-1, BLS]
 81261!13+1 is prime! (141.328000 seconds) (digits:27979) Ken Davis 01/2004

 Primality testing 85743!13+1 [N-1, BLS]
 85743!13+1 is prime! (454.422000 seconds) (digits:29676) Ken Davis 03/2004

 Primality testing 86138!13+1 [N-1, BLS]
 86138!13+1 is prime! (192.407000 seconds) (digits:29826) Ken Davis 04/2004

 Primality testing 88961!13+1 [N-1, BLS]
 88961!13+1 is prime! (406.968000 seconds) (digits:30899) Ken Davis 04/2004

 Primality testing 98433!13+1 [N-1, BLS]
 98433!13+1 is prime! (570.250000 seconds) (digits:34522) Ken Davis p104 07/2003

 Primality testing 103148!13+1 [N-1, BLS]
 103148!13+1 is prime! (711.516000 seconds) (digits:36336) Ken Davis p104 09/2003

 Primality testing 143361!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 12041
 143361!13+1 is prime! (1223.0360s+0.2196s) (digits:52078) Ken Davis 05/2009

 Primality testing 144550!13+1 [N-1, BLS]
 Running N-1 test using base 12269
 Running N-1 test using base 12347
 144550!13+1 is prime! (1191.8252s+0.1105s) (digits:52550) Ken Davis 05/2009

 Primality testing 152566!13+1 [N-1, BLS]
 Running N-1 test using base 13
 152566!13+1 is prime! (52.3423s+0.0219s)(digits:55739) MO 05/2014

 Primality testing 198635!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 16931
 198635!13+1 is prime! (219.4352s+0.0309s)(digits:74320) MO 05/2014

 Primality testing 201497!13+1 [N-1, BLS]
 Running N-1 test using base 16903
 201497!13+1 is prime! (132.7162s+0.0308s)(digits:75487) MO 05/2014

 Primality testing 205408!13+1 [N-1, BLS]
 Running N-1 test using base 17191
 Running N-1 test using base 17321
 205408!13+1 is prime! (270.5314s+0.0348s)(digits:77084) MO 05/2014

 Primality testing 220488!13+1 [N-1, BLS]
 Running N-1 test using base 18413
 Running N-1 test using base 18439
 220488!13+1 is prime! (368.5064s+0.0360s)(digits:83264) MO 05/2014

 Primality testing 221071!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 18701
 Running N-1 test using base 19013
 221071!13+1 is prime! (494.4499s+0.0370s)(digits:83504) MO 05/2014

 Primality testing 230752!13+1 [N-1, BLS]
 Running N-1 test using base 19381
 Running N-1 test using base 19433
 230752!13+1 is prime! (402.8022s+0.0417s)(digits:87491) MO 05/2014

 Primality testing 238190!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 20107
 238190!13+1 is prime! (354.8639s+0.0419s)(digits:90564) MO 05/2014

 Primality testing 241612!13+1 [N-1, BLS]
 Running N-1 test using base 13
 241612!13+1 is prime! (147.7442s+0.0454s)(digits:91980) MO 05/2014

 Primality testing 252136!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 21059
 252136!13+1 is prime! (376.6850s+0.0447s)(digits:96345) MO 05/2014

 Primality testing 269588!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 22483
 269588!13+1 is prime! (504.6289s+0.1966s)(digits:103617) Mark Rodenkirch  01/2017

 Primality testing 284423!13+1 [N-1, BLS]
 Running N-1 test using base 13
 284423!13+1 is prime! (223.7944s+0.1801s)(digits:109827) Mark Rodenkirch  01/2017

 Primality testing 290923!13+1 [N-1, BLS]
 Running N-1 test using base 24379
 Running N-1 test using base 24847
 290923!13+1 is prime! (643.6781s+0.1844s)(digits:112557) Mark Rodenkirch  01/2017

 Primality testing 302654!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 25453
 302654!13+1 is prime! (367.1075s+0.0740s)(digits:117495) MO 10/2021

 Primality testing 311462!13+1 [N-1, BLS]
 Running N-1 test using base 13
 311462!13+1 is prime! (157.7155s+0.0905s)(digits:121213) MO 10/2021

 Primality testing 320845!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 26801
 320845!13+1 is prime! (405.2325s+0.0920s)(digits:125182) MO 10/2021

 Primality testing 321324!13+1 [N-1, BLS]
 Running N-1 test using base 26881
 Running N-1 test using base 26959
 321324!13+1 is prime! (484.0055s+0.0946s)(digits:125385) MO 10/2021

 Primality testing 331661!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 27737
 331661!13+1 is prime! (502.7859s+0.0911s)(digits:129770) MO 10/2021

 Primality testing 389320!13+1 [N-1, BLS]
 Running N-1 test using base 32569
 Running N-1 test using base 32647
 389320!13+1 is prime! (760.5227s+0.1228s)(digits:154414) MO 11/2021

 Primality testing 398727!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 33601
 Running N-1 test using base 33679
 Running N-1 test using base 33809
 Running N-1 test using base 34147
 398727!13+1 is prime! (1801.1479s+0.1249s)(digits:158463) MO 11/2021

 Primality testing 409340!13+1 [N-1, BLS]
 Running N-1 test using base 13
 409340!13+1 is prime! (317.7721s+0.1461s)(digits:163040) MO 11/2021

 Primality testing 430522!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 35879
 430522!13+1 is prime! (818.9820s+0.1409s)(digits:172202) MO 11/2021

 Primality testing 432435!13+1 [N-1, BLS]
 Running N-1 test using base 36241
 Running N-1 test using base 36293
 432435!13+1 is prime! (976.7257s+0.1445s)(digits:173032) MO 11/2021

 Primality testing 445683!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 37189
 445683!13+1 is prime! (855.9502s+0.1522s)(digits:178782) MO 11/2021

 Primality testing 450420!13+1 [N-1, BLS]
 Running N-1 test using base 37561
 Running N-1 test using base 37717
 450420!13+1 is prime! (1018.9076s+0.1491s)(digits:180841) MO 11/2021

 Primality testing 471788!13+1 [N-1, BLS]
 Running N-1 test using base 13
 471788!13+1 is prime! (386.1184s+0.1665s)(digits:190150) MO 11/2021

 Primality testing 537572!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 44971
 537572!13+1 is prime! (1268.7251s+0.1956s)(digits:219008) MO 11/2021

 Primality testing 545021!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 45569
 545021!13+1 is prime! (1328.7146s+0.2098s)(digits:222293) MO 11/2021

 Primality testing 546052!13+1 [N-1, BLS]
 Running N-1 test using base 42013
 546052!13+1 is prime! (807.5178s+0.2168s)(digits:222748) MO 11/2021

 Primality testing 551071!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 46279
 551071!13+1 is prime! (1339.6850s+0.2032s)(digits:224964) MO 11/2021

 Primality testing 629935!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 52721
 629935!13+1 is prime! (1917.7440s+0.2620s)(digits:259973) MO 11/2021

 Primality testing 638647!13+1 [N-1, BLS]
 Running N-1 test using base 53239
 Running N-1 test using base 53551
 Running N-1 test using base 53629
 Running N-1 test using base 53759
 638647!13+1 is prime! (4655.3699s+0.2778s)(digits:263861) MO 11/2021

 Primality testing 646989!13+1 [N-1, BLS]
 Running N-1 test using base 13
 Running N-1 test using base 54049
 646989!13+1 is prime! (2083.6045s+0.2737s)(digits:267588) MO 11/2021

 Primality testing 714879!13+1 [N-1, BLS]
 Running N-1 test using base 59791
 714879!13+1 is prime! (1429.0199s+0.3186s)(digits:298050) MO 11/2021