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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
65384591Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 630000
B2 = 13387500
LL
StatusDateUserResidueShift
Verified2014-02-12Amazon EC2BCDCA2D1DBF032CD45997444
Verified2022-08-29Sergey NosovBCDCA2D1DBF032CD16683490
History
DateUserTypeResult
2022-08-29Sergey NosovC-LL
BCDCA2D1DBF032CD
2021-08-26rushynNF
no factor from 2^74 to 2^75
2016-03-28Mark RoseNF
no factor from 2^60 to 2^63
2014-02-12Amazon EC2C-LL
BCDCA2D1DBF032CD
2014-01-01Jerry HallettNF
no factor from 2^73 to 2^74
2013-11-24TheJudgerNF-PM1
B1=630000, B2=13387500, E=12
2013-05-15Kyle AskineNF
no factor from 2^72 to 2^73
2013-05-15Kyle AskineNF
no factor from 2^71 to 2^72
2013-05-15Kyle AskineNF
no factor from 2^70 to 2^71
2012-02-03ANONYMOUSNF
no factor from 2^69 to 2^70
2009-10-15Ondrej LiberdaNF
no factor from 2^68 to 2^69
2009-03-22helicomNF
no factor from 2^67 to 2^68
2009-03-21helicomNF
no factor from 2^66 to 2^67
2009-03-20helicomNF
no factor from 2^65 to 2^66
2009-03-17-Anonymous-NF
no factor from 2^64 to 2^65
2009-01-11Wojciech FlorekNF
no factor from 2^63 to 2^64