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
192970709Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1395061467471393210072166.92015-09-06 09:55:34
History
DateUserTypeResult
2015-09-06demfloroF
Factor: 139506146747139321007 / TF: 66-68
2013-06-18RichardNF
no factor from 2^65 to 2^66
2011-04-16tscNF
no factor from 2^64 to 2^65
2010-08-04DerekNF
no factor from 2^63 to 2^64