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
556795643Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6679162176660250780392169.22018-05-27 06:31:14
History
DateUserTypeResult
2018-05-28sasakiNF
no factor from 2^68 to 2^69
2018-05-27YxinityF
Factor: 667916217666025078039 / TF: 68-70
2016-11-15sasakiNF
no factor from 2^67 to 2^68
2015-12-07sasakiNF
no factor from 2^66 to 2^67
2014-09-20sasakiNF
no factor from 2^65 to 2^66
2011-09-26Architects CubedNF
no factor from 2^64 to 2^65