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
699221837Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5500366814691870996732168.92017-06-26 11:33:34
History
DateUserTypeResult
2017-06-26ConductorF
Factor: 550036681469187099673 / TF: 68-69
2014-12-03sasakiNF
no factor from 2^66 to 2^68
2013-09-07sasakiNF
no factor from 2^65 to 2^66
2012-01-21laleraNF
no factor from 2^64 to 2^65
2010-07-14Architects CubedNF
no factor from 2^63 to 2^64