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

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MnStatusDetails
668326693Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3647094917862680942232168.32018-03-13 20:14:36
5237675046584984487292168.82018-03-13 20:14:37
History
DateUserTypeResult
2018-03-13ConductorF
Factor: 523767504658498448729 / TF: 68-69
2018-03-13ConductorF
Factor: 364709491786268094223 / TF: 68-69
2017-02-08NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-06-02sasakiNF
no factor from 2^66 to 2^67
2013-04-17ramgeisNF
no factor from 2^65 to 2^66
2011-10-11laleraNF
no factor from 2^64 to 2^65
2010-06-23Architects CubedNF
no factor from 2^63 to 2^64