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

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MnStatusDetails
332332829Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
125467333679675041119638047612993.32019-02-14 09:08:26
P-1 factors
DateFactorB1B2
2019-02-141254673336796750411196380476131750000
History
DateUserTypeResult
2024-07-19Grant McCrackenNF
no factor from 2^71 to 2^72
2024-04-26Grant McCrackenNF
no factor from 2^70 to 2^71
2024-03-25Grant McCrackenNF
no factor from 2^69 to 2^70
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2019-02-14PPUF-PM1
Factor: 12546733367967504111963804761 / (P-1, B1=3175000)
2016-03-17Team_InspectorNF
no factor from 2^75 to 2^76
2014-04-22Preben SNF
no factor from 2^74 to 2^75
2013-12-16Team_InspectorNF
no factor from 2^73 to 2^74
2013-01-19LaurVNF
no factor from 2^72 to 2^73
2012-08-07Team_InspectorNF
no factor from 2^71 to 2^72
2011-04-10Grant McCrackenNF
no factor from 2^70 to 2^71
2011-01-02SunfishNF
no factor from 2^69 to 2^70
2009-12-03Grant McCrackenNF
no factor from 2^68 to 2^69