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
668212717Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4653230741825588992732168.72018-03-13 15:34:39
History
DateUserTypeResult
2018-03-13ConductorF
Factor: 465323074182558899273 / TF: 68-69
2017-02-09NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-05-20sasakiNF
no factor from 2^66 to 2^67
2013-01-08america64NF
no factor from 2^65 to 2^66
2011-10-11laleraNF
no factor from 2^64 to 2^65
2010-06-07Architects CubedNF
no factor from 2^63 to 2^64