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
698846663Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4166403023360864642172168.52017-06-24 08:35:59
History
DateUserTypeResult
2017-06-24ConductorF
Factor: 416640302336086464217 / TF: 68-69
2014-11-28sasakiNF
no factor from 2^66 to 2^68
2013-10-09sasakiNF
no factor from 2^65 to 2^66
2012-01-24laleraNF
no factor from 2^64 to 2^65
2010-07-18Architects CubedNF
no factor from 2^63 to 2^64