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
683966329Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5204981500787400503512168.82018-06-17 17:42:52
History
DateUserTypeResult
2018-06-17ConductorF
Factor: 520498150078740050351 / TF: 68-69
2016-10-26sasakiNF
no factor from 2^67 to 2^68
2014-08-04sasakiNF
no factor from 2^66 to 2^67
2014-02-04sasakiNF
no factor from 2^65 to 2^66
2012-01-31mmNF
no factor from 2^64 to 2^65
2010-07-12Architects CubedNF
no factor from 2^63 to 2^64