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
660958999Factored
FactorDigitsBitsDate
3880374343940848370572168.42018-02-11 21:35:31
History
DateUserTypeResult
2018-02-11ConductorF
Factor: 388037434394084837057 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-25sasakiNF
no factor from 2^66 to 2^67
2013-12-17sasakiNF
no factor from 2^65 to 2^66
2012-01-22sasaki3NF
no factor from 2^64 to 2^65
2010-06-16Architects CubedNF
no factor from 2^63 to 2^64