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
694571281Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3257197635496764529612168.12017-07-04 12:07:30
History
DateUserTypeResult
2017-07-04ConductorF
Factor: 325719763549676452961 / TF: 68-69
2014-08-27sasakiNF
no factor from 2^66 to 2^68
2013-12-11sasakiNF
no factor from 2^65 to 2^66
2012-02-06OS1NF
no factor from 2^64 to 2^65
2010-07-14Architects CubedNF
no factor from 2^63 to 2^64