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
218717509Factored
FactorDigitsBitsDate
4985142084157131536332168.82018-01-29 13:08:14
History
DateUserTypeResult
2018-01-29Daniil TsarkovF
Factor: 498514208415713153633 / TF: 68-69
2016-09-11AlbyJohnsonNF
no factor from 2^67 to 2^68
2015-10-25tscNF
no factor from 2^66 to 2^67
2012-07-18america64NF
no factor from 2^65 to 2^66
2011-06-01Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-18Architects CubedNF
no factor from 2^63 to 2^64