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
558992153Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6511409312323953720712169.12018-06-05 04:58:15
History
DateUserTypeResult
2018-06-05YxinityF
Factor: 651140931232395372071 / TF: 68-70
2018-06-04sasakiNF
no factor from 2^68 to 2^69
2016-11-19sasakiNF
no factor from 2^67 to 2^68
2015-12-22sasakiNF
no factor from 2^66 to 2^67
2014-10-12sasakiNF
no factor from 2^65 to 2^66
2011-11-05Architects CubedNF
no factor from 2^64 to 2^65