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
914850091Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6560718403151081956972169.22017-12-20 19:58:19
History
DateUserTypeResult
2017-12-20ConductorF
Factor: 656071840315108195697 / TF: 69-70
2017-03-04sasakiNF
no factor from 2^68 to 2^69
2016-03-16E.LechnerNF
no factor from 2^67 to 2^68
2015-12-30E.LechnerNF
no factor from 2^66 to 2^67
2013-05-03ramgeisNF
no factor from 2^65 to 2^66
2011-10-11lindedNF
no factor from 2^64 to 2^65
2010-07-22lindedNF
no factor from 2^63 to 2^64