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
998020561Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
24176095138336374871672271.02016-11-07 16:12:58
History
DateUserTypeResult
2025-03-20James HeinrichF
Factor: 2417609513833637487167 / TF: 71-72
2021-12-22ViliamFNF
no factor from 2^67 to 2^68
2016-11-07Alex_soldierF
Factor: 2417609513833637487167 / TF: 71-72*
2012-02-06lindeeNF
no factor from 2^69 to 2^71
2011-04-20lindeeNF
no factor from 2^67 to 2^69
2010-12-24lindeeNF
no factor from 2^66 to 2^67
2010-10-02lindeeNF
no factor from 2^65 to 2^66
2010-08-04lindedNF
no factor from 2^64 to 2^65