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
204314609Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6453972128584927247112169.12019-01-11 12:21:56
History
DateUserTypeResult
2025-04-04James HeinrichF
Factor: 645397212858492724711 / TF: 69-70
2019-01-11Cat8raF
Factor: 645397212858492724711 / TF: 69-70
2017-09-25BrionHNF
no factor from 2^68 to 2^69
2016-08-24Gimi.HNF
no factor from 2^67 to 2^68
2015-10-01hillsurferNF
no factor from 2^66 to 2^67
2013-07-24KayJongsmaNF
no factor from 2^65 to 2^66
2011-05-06dslNF
no factor from 2^64 to 2^65