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
627990079Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2542222220054066219832167.82016-10-11 16:55:34
History
DateUserTypeResult
2016-10-11NipalF
Factor: 254222222005406621983 / TF: 67-70
2014-05-10sasakiNF
no factor from 2^65 to 2^67