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
189313543Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4747965482416446403132168.72017-08-01 01:44:24
History
DateUserTypeResult
2025-03-15James HeinrichF
Factor: 474796548241644640313 / TF: 68-70
2017-08-01NickF
Factor: 474796548241644640313 / TF: 68-69
2016-08-01RDbrvnNF
no factor from 2^67 to 2^68
2015-08-25subgeniusNF
no factor from 2^66 to 2^67
2013-06-05RichardNF
no factor from 2^65 to 2^66
2011-04-08sasaki3NF
no factor from 2^64 to 2^65
2010-08-01-Anonymous-NF
no factor from 2^63 to 2^64