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
148945481Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25595446722238251132972271.12016-12-22 00:42:34
History
DateUserTypeResult
2016-12-22Sergey NosovF
Factor: 2559544672223825113297 / TF: 69-72*
2016-12-13airbreatherNF
no factor from 2^68 to 2^69
2016-04-04DerekNF
no factor from 2^67 to 2^68
2015-03-14karhuNF
no factor from 2^66 to 2^67
2013-01-07Mr-PlonkNF
no factor from 2^65 to 2^66
2011-01-10RichardNF
no factor from 2^64 to 2^65