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
915022487Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7901231886316479059992169.42017-12-21 20:37:25
History
DateUserTypeResult
2017-12-21ConductorF
Factor: 790123188631647905999 / TF: 69-70
2017-03-09sasakiNF
no factor from 2^68 to 2^69
2016-07-16ConductorNF
no factor from 2^67 to 2^68
2015-12-03NoPolarBearsHereNF
no factor from 2^66 to 2^67
2013-05-27ramgeisNF
no factor from 2^65 to 2^66
2011-10-09lindedNF
no factor from 2^64 to 2^65
2010-06-23lindedNF
no factor from 2^63 to 2^64