Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
694598533Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5552176172472581750172168.92017-07-04 14:22:28
History
DateUserTypeResult
2017-07-04ConductorF
Factor: 555217617247258175017 / TF: 68-69
2014-08-30sasakiNF
no factor from 2^66 to 2^68
2013-12-11sasakiNF
no factor from 2^65 to 2^66
2012-02-06Andrew BNF
no factor from 2^64 to 2^65
2010-06-27Architects CubedNF
no factor from 2^63 to 2^64