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
663889727Factored
FactorDigitsBitsDate
5193736387107116859192168.82018-02-28 11:21:41
History
DateUserTypeResult
2018-02-28ConductorF
Factor: 519373638710711685919 / TF: 68-69
2017-02-17NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-04-27sasakiNF
no factor from 2^66 to 2^67
2013-12-25sasakiNF
no factor from 2^65 to 2^66
2011-12-07laleraNF
no factor from 2^64 to 2^65
2010-06-09Architects CubedNF
no factor from 2^63 to 2^64