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
319996279Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1675706873977225557672167.22016-12-19 05:12:44
History
DateUserTypeResult
2016-12-19SarnetskyF
Factor: 167570687397722555767 / TF: 67-68*
2016-02-27Eschroep LabsNF
no factor from 2^66 to 2^67
2014-01-27Lukin DmitryNF
no factor from 2^65 to 2^66
2010-08-17GrunwalderGIMPNF
no factor from 2^64 to 2^65