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
695988061Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5209756769512347212392168.82017-07-15 11:00:37
History
DateUserTypeResult
2017-07-15ConductorF
Factor: 520975676951234721239 / TF: 68-69
2014-09-22sasakiNF
no factor from 2^66 to 2^68
2013-11-29sasakiNF
no factor from 2^65 to 2^66
2012-01-29laleraNF
no factor from 2^64 to 2^65
2010-07-17Architects CubedNF
no factor from 2^63 to 2^64