Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
196291429Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5621144259433980568012168.92017-09-04 10:24:02
History
DateUserTypeResult
2025-03-24James HeinrichF
Factor: 562114425943398056801 / TF: 68-70
2017-09-04NickF
Factor: 562114425943398056801 / TF: 68-69
2016-08-18ANONYMOUSNF
no factor from 2^67 to 2^68
2015-09-15RDbrvnNF
no factor from 2^66 to 2^67
2013-06-29RichardNF
no factor from 2^65 to 2^66
2011-04-22dslNF
no factor from 2^64 to 2^65
2010-08-07RichardNF
no factor from 2^63 to 2^64