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
685394891Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3058284290293510227912168.12018-06-23 19:54:19
History
DateUserTypeResult
2018-06-23ConductorF
Factor: 305828429029351022791 / TF: 68-69
2016-12-10NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-06sasakiNF
no factor from 2^66 to 2^67
2014-02-06sasakiNF
no factor from 2^65 to 2^66
2012-02-01Andrew BNF
no factor from 2^64 to 2^65
2010-07-14Architects CubedNF
no factor from 2^63 to 2^64