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
619429847Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1807969529822188407372167.32016-09-25 06:54:11
History
DateUserTypeResult
2016-09-25NipalF
Factor: 180796952982218840737 / TF: 67-70
2014-03-10sasakiNF
no factor from 2^65 to 2^67