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
663987083Factored
FactorDigitsBitsDate
4075993449841369110172168.52018-02-28 20:15:06
History
DateUserTypeResult
2018-02-28ConductorF
Factor: 407599344984136911017 / TF: 68-69
2017-02-13sasakiNF
no factor from 2^67 to 2^68
2014-04-22sasakiNF
no factor from 2^66 to 2^67
2013-12-25sasakiNF
no factor from 2^65 to 2^66
2011-07-09laleraNF
no factor from 2^64 to 2^65
2010-06-22Architects CubedNF
no factor from 2^63 to 2^64