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
399983137Factored
FactorDigitsBitsDate
2198862450660132680872167.62016-09-21 20:09:54
History
DateUserTypeResult
2016-09-21Alex_soldierF
Factor: 219886245066013268087 / TF: 67-68*
2016-04-09DerekNF
no factor from 2^66 to 2^67
2014-06-20RichardNF
no factor from 2^65 to 2^66
2010-05-11Architects CubedNF
no factor from 2^64 to 2^65