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
190332859Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5381518857602615928472168.92015-08-28 14:55:11
History
DateUserTypeResult
2015-08-28demfloroF
Factor: 538151885760261592847 / TF: 68-69
2015-08-28demfloroNF
no factor from 2^66 to 2^68
2013-06-05MucolNF
no factor from 2^65 to 2^66
2011-04-10Mr-PlonkNF
no factor from 2^64 to 2^65
2010-08-03Torchwood InstituteNF
no factor from 2^63 to 2^64