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
673838617Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5838028908547541224812169.02018-04-16 22:47:04
History
DateUserTypeResult
2018-04-16ConductorF
Factor: 583802890854754122481 / TF: 68-69
2017-01-03NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-14sasakiNF
no factor from 2^66 to 2^67
2013-12-30sasakiNF
no factor from 2^65 to 2^66