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
104844979Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
29276746280893191651.42007-09-19 10:50:12
391637274033232311755.12015-01-07 12:33:24
History
DateUserTypeResult
2015-01-07TJAOIF
Factor: 39163727403323231 / TF: 55-56