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
688848103Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4036017225712264243912168.52018-07-11 10:56:43
History
DateUserTypeResult
2018-07-11ConductorF
Factor: 403601722571226424391 / TF: 68-69
2014-09-04sasakiNF
no factor from 2^67 to 2^68
2014-08-08sasakiNF
no factor from 2^66 to 2^67
2014-02-22america64NF
no factor from 2^65 to 2^66
2012-02-03McSixNF
no factor from 2^64 to 2^65
2010-07-04Architects CubedNF
no factor from 2^63 to 2^64