Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
121118317Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3578683036883967764292472478.22024-01-19 01:18:06
P-1 factors
DateFactorB1B2
2024-01-1935786830368839677642924769100061465560
History
DateUserTypeResult
2024-01-19Smok_bmv F-PM1
Factor: 357868303688396776429247 / (P-1, B1=691000, B2=61465560)
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-25TheJudgerNF
no factor from 2^75 to 2^76
2021-07-25TheJudgerNF
no factor from 2^74 to 2^75
2021-07-05SRBaseNF
no factor from 2^73 to 2^74
2020-10-28SRBaseNF
no factor from 2^72 to 2^73
2015-07-01SMoffatNF
no factor from 2^71 to 2^72
2015-06-20bunddogNF
no factor from 2^70 to 2^71
2013-12-01GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-01GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-01GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-17Team_InspectorNF
no factor from 2^65 to 2^66
2010-10-20Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-18subgeniusNF
no factor from 2^63 to 2^64