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
49192643Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1203294196959137306435032476.72011-02-22 05:04:32
History
DateUserTypeResult
2011-02-22Jack The RipperF-PM1
Factor: 120329419695913730643503
2008-06-03-Anonymous-NF
no factor to 2^64