Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
9594701Factored
FactorDigitsBitsDate
57568207825.8old
76757609826.22008-09-08 05:33:18
15159627591030.52008-09-08 05:33:18
192469702071134.22008-09-08 05:33:18
11277227767371340.02008-09-08 05:33:18
42422942004214027031961.92016-06-08 11:40:49
251636688258579327192064.42017-10-11 11:36:45
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-10Gabriel Lignelli715B816AC1892E6F7888928053
Verified2018-07-12kkmrkkblmbrbk715B816AC1892E6F7773254753
P-1 factors
DateFactorB1B2
2022-03-1261681962534340880914929829921187798799562636688031689097712741420920000003861257400
History
DateUserTypeResult
2022-04-09LordJuliusNF
no factor from 2^65 to 2^66
2022-04-09LordJuliusNF
no factor from 2^64 to 2^65
2022-04-09James HeinrichNF
no factor from 2^65 to 2^66
2022-03-12ThaF-PM1
Factor: 616819625343408809149298299211877987995626366880316890977127414209 / (P-1, B1=2000000, B2=3861257400)
2021-08-27Seth_TrNF-PM1
B1=360000, B2=20160000
2021-08-06Seth_TrNF
no factor from 2^66 to 2^67
2019-12-28Seth_TrNF
no factor from 2^68 to 2^69
2019-06-20Seth_TrNF
no factor from 2^67 to 2^68
2018-07-12kkmrkkblmbrbkC-PRP
M9594701/57568207/76757609/1515962759/19246970207/1127722776737/4242294200421402703/25163668825857932719 : 715B816AC1892E6F
PRP: Verified
PRP without proof (not generated)
2018-07-10Gabriel LignelliC-PRP
M9594701/57568207/76757609/1515962759/19246970207/1127722776737/4242294200421402703/25163668825857932719 : 715B816AC1892E6F
PRP: Verified
PRP without proof (not generated)
2017-10-11TJAOIF
Factor: 25163668825857932719 / TF: 64-65
2016-06-08TJAOIF
Factor: 4242294200421402703 / TF: 61-62
2008-09-08Will EdgingtonF
Factor: 1127722776737
2008-09-08Will EdgingtonF
Factor: 19246970207
2008-09-08Will EdgingtonF
Factor: 1515962759
2008-09-08Will EdgingtonF
Factor: 76757609