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
975994193Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
154471049883438791753.82008-06-10 23:27:19
18784930777166255271960.72015-12-30 20:57:26
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1878493077716625527 / TF: 1-62