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
627740329Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5582274150714259262572168.92016-10-06 17:26:25
History
DateUserTypeResult
2016-10-06NipalF
Factor: 558227415071425926257 / TF: 67-70
2014-04-16sasakiNF
no factor from 2^65 to 2^67