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
662230253Factored
FactorDigitsBitsDate
4904270364987221343772168.72018-02-19 06:19:11
History
DateUserTypeResult
2018-02-19ConductorF
Factor: 490427036498722134377 / TF: 68-69
2017-02-11sasakiNF
no factor from 2^67 to 2^68
2014-04-09sasakiNF
no factor from 2^66 to 2^67
2013-12-20sasakiNF
no factor from 2^65 to 2^66
2011-10-27laleraNF
no factor from 2^64 to 2^65
2010-06-14Architects CubedNF
no factor from 2^63 to 2^64