Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
915666887Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7708528209666176710972169.42017-12-26 13:32:59
History
DateUserTypeResult
2017-12-26ConductorF
Factor: 770852820966617671097 / TF: 69-70
2017-03-12sasakiNF
no factor from 2^68 to 2^69
2016-07-18ConductorNF
no factor from 2^67 to 2^68
2015-12-10NoPolarBearsHereNF
no factor from 2^66 to 2^67
2013-05-08ramgeisNF
no factor from 2^65 to 2^66
2011-10-04lindedNF
no factor from 2^64 to 2^65
2010-06-24lindedNF
no factor from 2^63 to 2^64