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
627205921Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2571627167923034083672167.82016-10-03 06:11:01
History
DateUserTypeResult
2016-10-03NipalF
Factor: 257162716792303408367 / TF: 67-70
2014-04-15sasakiNF
no factor from 2^65 to 2^67
2012-01-18mmNF
no factor from 2^64 to 2^65
2010-08-02Architects CubedNF
no factor from 2^63 to 2^64