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
223591117Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4120973955577937330092168.52018-03-07 20:30:02
History
DateUserTypeResult
2025-03-15James HeinrichF
Factor: 412097395557793733009 / TF: 68-70
2018-03-07Stanislav_KhokhrinF
Factor: 412097395557793733009 / TF: 68-69
2016-09-11XZTNF
no factor from 2^67 to 2^68
2015-11-12RichardNF
no factor from 2^66 to 2^67
2013-08-31tscNF
no factor from 2^65 to 2^66
2011-06-11RichardNF
no factor from 2^64 to 2^65