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

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MnStatusDetails
665831167Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3804168388201340248072168.42018-03-04 20:03:58
History
DateUserTypeResult
2018-03-04ConductorF
Factor: 380416838820134024807 / TF: 68-69
2014-06-24sasakiNF
no factor from 2^67 to 2^68
2014-04-27sasakiNF
no factor from 2^66 to 2^67
2011-11-05laleraNF
no factor from 2^65 to 2^66
2011-06-28laleraNF
no factor from 2^64 to 2^65
2010-06-22Architects CubedNF
no factor from 2^63 to 2^64