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
553000271Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4886305976360334845512168.72016-11-13 09:03:39
History
DateUserTypeResult
2016-11-13ConductorF
Factor: 488630597636033484551 / TF: 68-69
2016-05-28Bruno VictalNF
no factor from 2^67 to 2^68
2015-11-10sasakiNF
no factor from 2^66 to 2^67
2014-08-18sasakiNF
no factor from 2^65 to 2^66
2011-08-12Architects CubedNF
no factor from 2^64 to 2^65