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
673512097Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5666222308256502551992168.92018-04-15 15:16:31
History
DateUserTypeResult
2018-04-15ConductorF
Factor: 566622230825650255199 / TF: 68-69
2017-01-04NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-08sasakiNF
no factor from 2^66 to 2^67
2014-01-04sasakiNF
no factor from 2^65 to 2^66