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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MnStatusDetails
121377037Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10451489019914384920824980421773199.72024-02-06 14:58:48
P-1 factors
DateFactorB1B2
2024-02-061045148901991438492082498042177901000394070820
History
DateUserTypeResult
2024-02-06Dmitry BolshakovF-PM1
Factor: 1045148901991438492082498042177 / (P-1, B1=901000, B2=394070820)
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-08-20TheJudgerNF
no factor from 2^75 to 2^76
2021-08-20TheJudgerNF
no factor from 2^74 to 2^75
2021-07-05SRBaseNF
no factor from 2^73 to 2^74
2020-08-30tscNF
no factor from 2^72 to 2^73
2015-12-04Jens PedersenNF
no factor from 2^71 to 2^72
2015-11-25el groccoNF
no factor from 2^70 to 2^71
2013-11-29GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-11-29GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-11-29GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-18RichardNF
no factor from 2^65 to 2^66
2010-10-23RichardNF
no factor from 2^64 to 2^65
2010-05-18Torchwood InstituteNF
no factor from 2^63 to 2^64