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
81040769Factored
FactorDigitsBitsDate
4047870940081515540428812478.42017-04-22 00:13:33
P-1 factors
DateFactorB1B2
2017-04-224047870940081515540428816900000
History
DateUserTypeResult
2017-04-22Sergey NosovF-PM1
Factor: 404787094008151554042881 / (P-1, B1=690000)
2016-10-30TheJudgerNF
no factor from 2^74 to 2^75
2016-10-30TheJudgerNF
no factor from 2^73 to 2^74
2016-10-08Judge HaleNF
no factor from 2^72 to 2^73
2016-10-08Judge HaleNF
no factor from 2^71 to 2^72
2014-03-05SMoffatNF
no factor from 2^70 to 2^71
2014-02-03zulianNF
no factor from 2^69 to 2^70
2014-01-22mikrNF
no factor from 2^68 to 2^69
2014-01-22mikrNF
no factor from 2^67 to 2^68
2013-03-26SMoffatNF
no factor from 2^66 to 2^67
2011-02-05steinrarNF
no factor from 2^65 to 2^66
2010-12-12Architects CubedNF
no factor from 2^64 to 2^65