Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
56617061TF
No factors below 275
TF target 273
P-1
B1 = 570000
B2 = 12112500
LL
StatusDateUserResidueShift
Bad2012-09-03ToddC759D42FA3FEE92536609472
Verified2012-09-26curtisc66146CEAB8AD91E332895040
Verified2016-11-15AirSquirrels66146CEAB8AD91E30
History
DateUserTypeResult
2020-03-09Sid & AndyNF
no factor from 2^74 to 2^75
2019-01-16Architects CubedNF
no factor from 2^73 to 2^74
2016-11-15AirSquirrelsC-LL
66146CEAB8AD91E3
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2012-09-26curtiscC-LL
66146CEAB8AD91E3
2012-09-03ToddC-LL
C759D42FA3FEE925
2012-06-18-Anonymous-NF-PM1
B1=570000, B2=12112500
2012-06-13Kyle AskineNF
no factor from 2^71 to 2^72
2012-03-24Kyle AskineNF
no factor from 2^70 to 2^71
2012-03-09rduerrNF
no factor from 2^69 to 2^70
2011-04-15Paul LeylandNF
no factor from 2^68 to 2^69
2009-06-05shbrisNF
no factor from 2^67 to 2^68
2008-04-16David CampeauNF
no factor from 2^66 to 2^67
2008-04-13David CampeauNF
no factor from 2^65 to 2^66
2008-04-11scotty24NF
no factor from 2^64 to 2^65