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
188687899Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4591240304843163305212168.62017-07-26 19:17:07
History
DateUserTypeResult
2025-03-15James HeinrichF
Factor: 459124030484316330521 / TF: 68-70
2017-07-26NickF
Factor: 459124030484316330521 / TF: 68-69
2016-08-02rubikvn2100NF
no factor from 2^67 to 2^68
2015-08-23Jan KuipersNF
no factor from 2^66 to 2^67
2013-05-30tscNF
no factor from 2^65 to 2^66
2011-04-06sasaki3NF
no factor from 2^64 to 2^65
2010-08-01James HintzNF
no factor from 2^63 to 2^64