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
500031269Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5188101899977215611512168.82016-12-08 05:30:50
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 518810189997721561151 / TF: 68-70
2016-12-08ConductorF
Factor: 518810189997721561151 / TF: 68-69*
2016-04-27sasakiNF
no factor from 2^67 to 2^68
2013-02-05c10ck3rNF
no factor from 2^66 to 2^67
2013-02-05c10ck3rNF
no factor from 2^65 to 2^66