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
108637457Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
869099657929.72007-09-21 03:14:01
15209243991030.52008-09-13 03:24:26