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
676797391Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4283309741441984355772168.52018-05-12 11:22:54
History
DateUserTypeResult
2018-05-12ConductorF
Factor: 428330974144198435577 / TF: 68-69
2016-12-18NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-17sasakiNF
no factor from 2^66 to 2^67
2014-01-07sasakiNF
no factor from 2^65 to 2^66