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
319730513Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2557371027510081628972167.82016-12-20 23:04:31
History
DateUserTypeResult
2016-12-20demfloroF
Factor: 255737102751008162897 / TF: 67-68
2016-02-27tscNF
no factor from 2^66 to 2^67
2014-01-27tscNF
no factor from 2^65 to 2^66
2011-11-04Joe BauerNF
no factor from 2^64 to 2^65