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
662860061Factored
FactorDigitsBitsDate
4277364902824578476392168.52018-02-23 12:12:59
History
DateUserTypeResult
2018-02-23ConductorF
Factor: 427736490282457847639 / TF: 68-69
2017-02-07sasakiNF
no factor from 2^67 to 2^68
2014-04-11sasakiNF
no factor from 2^66 to 2^67
2013-12-20sasakiNF
no factor from 2^65 to 2^66
2012-01-23albin_pouillesNF
no factor from 2^64 to 2^65
2010-06-16Architects CubedNF
no factor from 2^63 to 2^64