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
121454911Factored
FactorDigitsBitsDate
5117397921289465205323375630369475692738125.32024-02-22 22:01:59
P-1 factors
DateFactorB1B2
2024-02-2251173979212894652053233756303694756927893000359154510
History
DateUserTypeResult
2024-02-22Dmitry BolshakovF-PM1
Factor: 51173979212894652053233756303694756927 / (P-1, B1=893000, B2=359154510)
2022-06-24TheJudgerNF
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
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-08-24tscNF
no factor from 2^72 to 2^73
2015-12-07CSLatDDNF
no factor from 2^71 to 2^72
2015-12-01CSLatDDNF
no factor from 2^70 to 2^71
2013-12-10GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-10GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-10GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-12Andrew BNF
no factor from 2^65 to 2^66
2010-10-21Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-182knarfNF
no factor from 2^63 to 2^64