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
627988429Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3133883388548249297532168.12016-10-11 16:55:33
History
DateUserTypeResult
2016-10-11NipalF
Factor: 313388338854824929753 / TF: 67-70
2014-05-10sasakiNF
no factor from 2^65 to 2^67