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
568007863Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2251568395592770918492167.62016-11-13 17:52:29
History
DateUserTypeResult
2016-11-13ConductorF
Factor: 225156839559277091849 / TF: 67-68
2015-11-08sasakiNF
no factor from 2^66 to 2^67
2014-07-17sasakiNF
no factor from 2^65 to 2^66
2011-11-06Architects CubedNF
no factor from 2^64 to 2^65
2010-03-13Architects CubedNF
no factor from 2^63 to 2^64