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
551088151Factored
FactorDigitsBitsDate
4957485963272220238812168.72017-08-06 11:36:45
History
DateUserTypeResult
2017-08-06Alex_soldierF
Factor: 495748596327222023881 / TF: 68-69*
2016-05-25Bruno VictalNF
no factor from 2^67 to 2^68
2015-11-27sasakiNF
no factor from 2^66 to 2^67
2014-08-14sasakiNF
no factor from 2^65 to 2^66
2011-03-07Architects CubedNF
no factor from 2^64 to 2^65