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
660080807Factored
FactorDigitsBitsDate
3869688405413742084172168.42018-02-07 19:52:27
History
DateUserTypeResult
2018-02-07ConductorF
Factor: 386968840541374208417 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-10sasakiNF
no factor from 2^66 to 2^67
2013-12-12sasakiNF
no factor from 2^65 to 2^66