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

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Exponent Range:










MnStatusDetails
62042419TF
No factors below 275
TF target 274
P-1
B1 = 595000
B2 = 12197500
LL
StatusDateUserResidueShift
Verified2014-01-28VanBelkumW400F2DC0ED0CF82319812702
Verified2022-08-06Andrey Mitrofanov400F2DC0ED0CF82312417916
History
DateUserTypeResult
2022-08-06Andrey MitrofanovC-LL
400F2DC0ED0CF823
2021-01-09AyczlyNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-01-28VanBelkumWC-LL
400F2DC0ED0CF823
2013-05-21ChuckNF
no factor from 2^73 to 2^74
2013-02-23Florimond C.NF-PM1
B1=595000, B2=12197500, E=12
2012-07-06ChuckNF
no factor from 2^70 to 2^73
2011-11-28Antonio MolinaNF
no factor from 2^69 to 2^70
2009-07-28Son JohanNF
no factor from 2^68 to 2^69
2009-02-16Harri JärviNF
no factor from 2^67 to 2^68
2009-02-15ANONYMOUSNF
no factor from 2^66 to 2^67
2009-02-13ANONYMOUSNF
no factor from 2^65 to 2^66
2009-02-12-Anonymous-NF
no factor from 2^64 to 2^65
2008-12-21DerekNF
no factor from 2^63 to 2^64