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
320520331Factored
FactorDigitsBitsDate
1944314202098860581912167.42016-12-21 20:32:02
History
DateUserTypeResult
2016-12-21demfloroF
Factor: 194431420209886058191 / TF: 67-68
2016-03-05RichardNF
no factor from 2^66 to 2^67
2014-01-28sannerud.comNF
no factor from 2^65 to 2^66
2011-11-05RichardNF
no factor from 2^64 to 2^65