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
189197339Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
837525869927996040732066.22015-08-25 04:26:17
History
DateUserTypeResult
2015-08-25demfloroF
Factor: 83752586992799604073 / TF: 66-68
2013-06-01Ed StrakerNF
no factor from 2^65 to 2^66
2011-04-07carlos56NF
no factor from 2^64 to 2^65
2010-08-01Mark GrantNF
no factor from 2^63 to 2^64