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
268366591Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4673984319719611244172168.72018-07-05 10:16:29
History
DateUserTypeResult
2025-03-10James HeinrichF
Factor: 467398431971961124417 / TF: 68-70
2018-07-05NickF
Factor: 467398431971961124417 / TF: 68-69
2016-08-05XZTNF
no factor from 2^67 to 2^68
2015-12-31tscNF
no factor from 2^66 to 2^67
2013-11-29RichardNF
no factor from 2^65 to 2^66
2011-08-24RichardNF
no factor from 2^64 to 2^65
2010-03-26RichardNF
no factor from 2^63 to 2^64
2010-03-26RichardNF
no factor from 2^62 to 2^63