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
170884429Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25131470723634754723992271.12016-11-09 02:37:52
History
DateUserTypeResult
2025-05-06JurzalF
Factor: 2513147072363475472399 / TF: 70-72
2016-11-09Sergey NosovF
Factor: 2513147072363475472399 / TF: 70-72*
2016-10-27nate.andersNF
no factor from 2^69 to 2^70
2016-10-22Mihai PredaNF
no factor from 2^68 to 2^69
2016-04-15XZTNF
no factor from 2^67 to 2^68
2015-06-17HBendtzNF
no factor from 2^66 to 2^67
2013-04-07RichardNF
no factor from 2^65 to 2^66
2011-02-26RichardNF
no factor from 2^64 to 2^65
2010-07-11wmjmoellerNF
no factor from 2^63 to 2^64