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
667278037Factored
FactorDigitsBitsDate
5408613575039652575532168.92018-03-09 12:15:33
History
DateUserTypeResult
2018-03-09ConductorF
Factor: 540861357503965257553 / TF: 68-69
2017-02-13sasakiNF
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
2010-06-10Architects CubedNF
no factor from 2^63 to 2^64