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
917078257Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1254545028807142497832166.82015-10-13 20:41:24
History
DateUserTypeResult
2015-10-13Alex_soldierF
Factor: 125454502880714249783 / TF: 66-67*
2013-05-27ramgeisNF
no factor from 2^65 to 2^66
2011-09-26lindedNF
no factor from 2^64 to 2^65
2010-06-21lindedNF
no factor from 2^63 to 2^64