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
688875223Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4830892338007853139132168.72018-07-11 10:57:24
History
DateUserTypeResult
2018-07-11ConductorF
Factor: 483089233800785313913 / TF: 68-69
2016-10-18NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-08sasakiNF
no factor from 2^66 to 2^67
2014-02-22america64NF
no factor from 2^65 to 2^66