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
905572223Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3279716907266075253432168.22017-04-18 17:52:11
History
DateUserTypeResult
2025-04-24yuriy5-1NF
no factor from 2^69 to 2^74
2017-04-18ConductorF
Factor: 327971690726607525343 / TF: 68-69
2016-06-21ConductorNF
no factor from 2^67 to 2^68
2015-02-06Gordon SpenceNF
no factor from 2^66 to 2^67
2013-04-25ramgeisNF
no factor from 2^65 to 2^66
2011-11-04lindeeNF
no factor from 2^64 to 2^65
2010-07-12lindedNF
no factor from 2^63 to 2^64