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
226580251Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4214183621436971521372168.52018-03-24 12:38:31
History
DateUserTypeResult
2025-03-13James HeinrichF
Factor: 421418362143697152137 / TF: 68-70
2018-03-24Stanislav_KhokhrinF
Factor: 421418362143697152137 / TF: 68-69
2016-09-16vwflat4NF
no factor from 2^67 to 2^68
2015-11-07vwflat4NF
no factor from 2^66 to 2^67
2013-09-10HardyP GermanyNF
no factor from 2^65 to 2^66
2011-06-16sasaki3NF
no factor from 2^64 to 2^65