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

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MnStatusDetails
677494313Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2976854560797260931772168.02018-05-16 14:02:36
4078951397872818963532168.52018-05-16 14:02:35
History
DateUserTypeResult
2018-05-16ConductorF
Factor: 297685456079726093177 / TF: 68-69
2018-05-16ConductorF
Factor: 407895139787281896353 / TF: 68-69
2016-12-16NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-20sasakiNF
no factor from 2^66 to 2^67
2014-01-09sasakiNF
no factor from 2^65 to 2^66