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
975674537Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
9164218223679911549.72008-06-10 22:54:37
21456179238972319511960.92015-12-30 18:17:09
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 2145617923897231951 / TF: 1-62