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
50644021Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
24037271503556749740012271.02010-12-13 21:39:32
History
DateUserTypeResult
2010-12-13Jack The RipperF
Factor: 2403727150355674974001
2008-09-07DerekNF
no factor to 2^64