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
189960389Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1747059222365838378072167.22015-08-27 13:55:09
History
DateUserTypeResult
2015-08-27demfloroF
Factor: 174705922236583837807 / TF: 66-68
2013-06-04sannerud.comNF
no factor from 2^65 to 2^66
2011-04-09dslNF
no factor from 2^64 to 2^65
2010-08-02Mr-PlonkNF
no factor from 2^63 to 2^64