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
49120397Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
830528265328315003168182012686.12010-09-21 02:06:36
History
DateUserTypeResult
2010-09-21Jack The RipperF-PM1
Factor: 83052826532831500316818201
2008-06-03-Anonymous-NF
no factor to 2^64