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
338487269Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
288788367227205817144092374.62023-08-19 08:37:36
History
DateUserTypeResult
2023-08-19Ruslan BorisovF
Factor: 28878836722720581714409 / TF: 74-75
2022-03-31SRBaseNF
no factor from 2^73 to 2^74
2021-01-11SRBaseNF
no factor from 2^72 to 2^73
2016-06-24Jacques MOLNENF
no factor from 2^71 to 2^72
2016-06-24Jacques MOLNENF
no factor from 2^70 to 2^71
2016-06-24Jacques MOLNENF
no factor from 2^69 to 2^70
2015-07-21Jacques MOLNENF
no factor from 2^67 to 2^69
2014-02-12HBendtzNF
no factor from 2^65 to 2^67
2010-04-27Architects CubedNF
no factor from 2^64 to 2^65