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
222001001Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
66600300311032.62007-12-22 22:30:30
66028771239341936391962.52015-12-24 16:46:33
History
DateUserTypeResult
2015-12-24Alex_soldierF
Factor: 6602877123934193639 / TF: 60-63