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
627089833Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1672213912181623304872167.22016-10-13 12:51:04
History
DateUserTypeResult
2016-10-13NipalF
Factor: 167221391218162330487 / TF: 67-70
2014-05-06sasakiNF
no factor from 2^65 to 2^67