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
977024513Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
58621470791032.42008-05-27 23:19:00
12511784569915185191960.12015-12-22 19:35:53
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 1251178456991518519 / TF: 1-62