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
671658203Factored
FactorDigitsBitsDate
3955441398246146277112168.42018-04-02 16:50:54
History
DateUserTypeResult
2018-04-02ConductorF
Factor: 395544139824614627711 / TF: 68-69
2017-01-13NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-07sasakiNF
no factor from 2^66 to 2^67
2013-04-19ramgeisNF
no factor from 2^65 to 2^66