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

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MnStatusDetails
660984469Factored
FactorDigitsBitsDate
4231721722372552154712168.52018-02-12 05:33:35
5213358596299263857212168.82018-02-12 05:33:35
History
DateUserTypeResult
2018-02-12ConductorF
Factor: 423172172237255215471 / TF: 68-69
2018-02-12ConductorF
Factor: 521335859629926385721 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-25sasakiNF
no factor from 2^66 to 2^67
2013-12-17sasakiNF
no factor from 2^65 to 2^66
2012-01-22tscNF
no factor from 2^64 to 2^65
2010-06-17Architects CubedNF
no factor from 2^63 to 2^64