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
673293521Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2961971513240477479272168.02018-04-13 18:21:55
History
DateUserTypeResult
2018-04-13ConductorF
Factor: 296197151324047747927 / TF: 68-69
2017-01-05NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-12sasakiNF
no factor from 2^66 to 2^67
2013-12-28sasakiNF
no factor from 2^65 to 2^66
2012-01-25OS1NF
no factor from 2^64 to 2^65
2010-07-27Architects CubedNF
no factor from 2^63 to 2^64