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
318211177Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3836413905505444642972168.42016-12-12 20:30:29
History
DateUserTypeResult
2025-03-08James HeinrichF
Factor: 383641390550544464297 / TF: 68-70
2016-12-12SarnetskyF
Factor: 383641390550544464297 / TF: 68-69*
2016-04-11SarnetskyNF
no factor from 2^67 to 2^68
2016-02-25daniel horacioNF
no factor from 2^66 to 2^67
2014-07-27tscNF
no factor from 2^65 to 2^66
2011-11-02Mr-PlonkNF
no factor from 2^64 to 2^65