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
399989839Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1770759516410707243032167.32016-09-09 00:33:20
History
DateUserTypeResult
2016-09-09Alex_soldierF
Factor: 177075951641070724303 / TF: 67-68*
2016-04-09DerekNF
no factor from 2^66 to 2^67
2014-06-07MattNF
no factor from 2^65 to 2^66
2010-05-11Architects CubedNF
no factor from 2^64 to 2^65