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
201837947Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13479514225937749272412270.22019-09-26 12:52:30
History
DateUserTypeResult
2024-03-07James HeinrichNF
no factor from 2^68 to 2^69
2019-09-26Alexander TsupkoF
Factor: 1347951422593774927241
2016-06-09La GüiraNF
no factor from 2^69 to 2^70
2016-06-09La GüiraNF
no factor from 2^67 to 2^69
2015-09-25aurashiftNF
no factor from 2^66 to 2^67
2013-07-17sasaki3NF
no factor from 2^65 to 2^66
2011-05-02sasaki3NF
no factor from 2^64 to 2^65