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

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MnStatusDetails
480000197Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5588440789578699396072168.92016-12-16 18:21:06
History
DateUserTypeResult
2016-12-16ConductorF
Factor: 558844078957869939607 / TF: 68-69
2016-06-15sasakiNF
no factor from 2^67 to 2^68
2015-07-21LookASNF
no factor from 2^66 to 2^67
2014-10-12firereddNF
no factor from 2^65 to 2^66
2011-12-13Alben WeeksNF
no factor from 2^64 to 2^65
2010-03-31Architects CubedNF
no factor from 2^63 to 2^64