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

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MnStatusDetails
685040131Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3116833905236597788072168.12018-06-22 12:00:40
History
DateUserTypeResult
2018-06-22ConductorF
Factor: 311683390523659778807 / TF: 68-69
2016-12-13NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-31sasakiNF
no factor from 2^66 to 2^67
2013-10-06sasakiNF
no factor from 2^65 to 2^66
2012-02-01Michael BahlenNF
no factor from 2^64 to 2^65
2010-07-13Architects CubedNF
no factor from 2^63 to 2^64