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
660720847Factored
FactorDigitsBitsDate
5234559143907101128572168.82018-02-10 19:50:45
History
DateUserTypeResult
2018-02-10ConductorF
Factor: 523455914390710112857 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-24sasakiNF
no factor from 2^66 to 2^67
2013-12-18sasakiNF
no factor from 2^65 to 2^66
2012-01-22tscNF
no factor from 2^64 to 2^65
2010-06-12Architects CubedNF
no factor from 2^63 to 2^64