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
667157009Factored
FactorDigitsBitsDate
4978586283619215726712168.82018-03-08 20:15:15
History
DateUserTypeResult
2018-03-08ConductorF
Factor: 497858628361921572671 / TF: 68-69
2017-02-14sasakiNF
no factor from 2^67 to 2^68
2014-05-07sasakiNF
no factor from 2^66 to 2^67
2013-04-16ramgeisNF
no factor from 2^65 to 2^66
2011-10-27laleraNF
no factor from 2^64 to 2^65
2010-06-06Architects CubedNF
no factor from 2^63 to 2^64