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
45879461Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 272
P-1
B1 = 1500000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2010-02-16lindedF4DED97D2F9FA11816890298
Verified2017-04-07Evgeniy ZavialovF4DED97D2F9FA11844828175
History
DateUserTypeResult
2024-06-25GregNF
no factor from 2^71 to 2^72
2024-05-25ChuckNF
no factor from 2^68 to 2^69
2020-05-18Sid & AndyNF
no factor from 2^74 to 2^75
2020-04-14Sid & AndyNF-PM1
B1=1500000, B2=30000000, E=12
2019-12-20-Anonymous-NF
no factor from 2^73 to 2^74
2018-02-24-Anonymous-NF
no factor from 2^72 to 2^73
2017-04-07Evgeniy ZavialovC-LL
F4DED97D2F9FA118
2015-10-23-Anonymous-NF
no factor from 2^71 to 2^72
2015-05-28Mark RoseNF
no factor from 2^70 to 2^71
2015-05-26David CampeauNF
no factor from 2^69 to 2^70
2013-02-08Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-02-16lindedC-LL
F4DED97D2F9FA118
2009-06-17-Anonymous-NF-PM1
B1=780000