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
660662609Factored
FactorDigitsBitsDate
3817062118809177291592168.42018-02-10 13:21:55
History
DateUserTypeResult
2018-02-10ConductorF
Factor: 381706211880917729159 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-21sasakiNF
no factor from 2^66 to 2^67
2013-12-15sasakiNF
no factor from 2^65 to 2^66
2012-01-22oodairaNF
no factor from 2^64 to 2^65
2010-06-05Architects CubedNF
no factor from 2^63 to 2^64