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
677283907Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4076290569776125988712168.52018-05-15 15:16:49
History
DateUserTypeResult
2018-05-15ConductorF
Factor: 407629056977612598871 / TF: 68-69
2016-12-17NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-23sasakiNF
no factor from 2^66 to 2^67
2014-01-07sasakiNF
no factor from 2^65 to 2^66
2012-01-27lindedNF
no factor from 2^64 to 2^65
2010-07-20Architects CubedNF
no factor from 2^63 to 2^64