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
684059099Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2209953803151476505772167.62016-09-25 02:31:48
History
DateUserTypeResult
2016-09-25MonoryF
Factor: 220995380315147650577 / TF: 67-68
2014-08-04sasakiNF
no factor from 2^66 to 2^67
2014-02-03sasakiNF
no factor from 2^65 to 2^66
2012-02-02Team_InspectorNF
no factor from 2^64 to 2^65
2010-07-10Architects CubedNF
no factor from 2^63 to 2^64