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
919977341Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1265165165714802028972166.82015-10-19 07:04:20
History
DateUserTypeResult
2015-10-19ConductorF
Factor: 126516516571480202897 / TF: 66-67
2013-05-07ramgeisNF
no factor from 2^65 to 2^66
2011-09-07lindedNF
no factor from 2^64 to 2^65
2010-06-19lindedNF
no factor from 2^63 to 2^64