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
411000253Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3089356812690189721512168.12016-12-11 19:09:23
History
DateUserTypeResult
2016-12-11ConductorF
Factor: 308935681269018972151 / TF: 68-69
2014-09-04sasakiNF
no factor from 2^66 to 2^68
2014-06-11Mr-PlonkNF
no factor from 2^65 to 2^66