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

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MnStatusDetails
551003251Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5531345211454784650732168.92016-11-14 05:11:57
History
DateUserTypeResult
2016-11-14ConductorF
Factor: 553134521145478465073 / TF: 68-69
2016-02-19AdolfNorNF
no factor from 2^67 to 2^68
2015-11-13sasakiNF
no factor from 2^66 to 2^67
2014-08-11sasakiNF
no factor from 2^65 to 2^66
2011-03-04Architects CubedNF
no factor from 2^64 to 2^65