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

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MnStatusDetails
74823131Factored
FactorDigitsBitsDate
1036286618993754235881479692786.42015-12-29 22:23:53
P-1 factors
DateFactorB1B2
2015-12-2910362866189937542358814796964000012000000
History
DateUserTypeResult
2022-06-02LordJuliusNF
no factor from 2^1 to 2^64
2015-12-29Chang Chia-TcheF-PM1
Factor: 103628661899375423588147969 / (P-1, B1=640000, B2=12000000)
2015-12-06TheJudgerNF
no factor from 2^74 to 2^75
2015-12-06TheJudgerNF
no factor from 2^73 to 2^74
2015-11-29Matthias WurtingerNF
no factor from 2^72 to 2^73
2015-08-27FredrikNF
no factor from 2^71 to 2^72
2013-08-09SMoffatNF
no factor from 2^70 to 2^71
2012-12-08AFTGOLDNF
no factor from 2^69 to 2^70
2010-11-30vapaddyNF
no factor from 2^68 to 2^69
2010-11-29Bobbi and the StraysNF
no factor from 2^67 to 2^68
2010-11-26Bobbi and the StraysNF
no factor from 2^66 to 2^67
2010-11-22Bobbi and the StraysNF
no factor from 2^65 to 2^66
2010-07-19Mike RNF
no factor from 2^64 to 2^65