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
222002357Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
17760188571030.72007-12-22 22:31:15
81369558622761528311962.82015-12-24 17:41:43
History
DateUserTypeResult
2015-12-24Alex_soldierF
Factor: 8136955862276152831 / TF: 60-63