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
188585107Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5183637976085478037212168.82017-07-25 20:59:18
History
DateUserTypeResult
2025-03-15James HeinrichF
Factor: 518363797608547803721 / TF: 68-70
2017-07-25NickF
Factor: 518363797608547803721 / TF: 68-69
2016-07-29sps97003NF
no factor from 2^67 to 2^68
2015-08-24Niaz Bin SirajNF
no factor from 2^66 to 2^67
2013-05-30MucolNF
no factor from 2^65 to 2^66
2011-04-06marvikNF
no factor from 2^64 to 2^65
2010-07-31sasaki3NF
no factor from 2^63 to 2^64