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
628016099Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2501930309515642474732167.82016-12-04 12:12:51
History
DateUserTypeResult
2016-12-04ConductorF
Factor: 250193030951564247473 / TF: 67-68
2014-05-11sasakiNF
no factor from 2^65 to 2^67