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
320195573Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1706258537576077658332167.22016-12-20 11:51:45
History
DateUserTypeResult
2016-12-20SarnetskyF
Factor: 170625853757607765833 / TF: 67-68*
2016-02-27kompakkiNF
no factor from 2^66 to 2^67
2014-01-28ANONYMOUSNF
no factor from 2^65 to 2^66
2011-11-04sannerud.comNF
no factor from 2^64 to 2^65