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
695211931Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3182208422508155579272168.12017-07-08 09:25:21
History
DateUserTypeResult
2017-07-08ConductorF
Factor: 318220842250815557927 / TF: 68-69
2014-08-30sasakiNF
no factor from 2^66 to 2^68
2013-11-18sasakiNF
no factor from 2^65 to 2^66
2011-08-14laleraNF
no factor from 2^64 to 2^65
2010-06-26Architects CubedNF
no factor from 2^63 to 2^64