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
538155619Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1026273178055388457692166.52015-11-09 20:09:13
History
DateUserTypeResult
2015-11-09Alexander DubrovinF
Factor: 102627317805538845769 / TF: 66-67
2014-11-07sasakiNF
no factor from 2^65 to 2^66