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
216285269Composite: 4 known prime factors
Factored
FactorDigitsBitsDate
259542322811134.62007-12-20 08:27:15
268483555820471444.62007-12-20 08:27:16
6211695622858491549.12007-12-20 08:27:16
584545696515228311755.72015-02-09 12:25:50
History
DateUserTypeResult
2024-08-21mikrNF
no factor from 2^68 to 2^73
2015-02-09TJAOIF
Factor: 58454569651522831 / TF: 55-56