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
19821913Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 820000
B2 = 466319280
LL
StatusDateUserResidueShift
Verified2003-09-29S. Banks054A50552A25D0628064284
Verified2007-09-13Brian Jue054A50552A25D06211712443
History
DateUserTypeResult
2024-12-11MooMoo2NF-PM1
B1=820000, B2=466319280
2023-04-10Sid & AndyNF
no factor from 2^72 to 2^73
2020-10-04-Anonymous-NF
no factor from 2^71 to 2^72
2020-10-03-Anonymous-NF
no factor from 2^70 to 2^71
2019-11-07lycornNF
no factor from 2^69 to 2^70
2017-11-26ramgeisNF
no factor from 2^68 to 2^69
2013-08-14NesowaNF
no factor from 2^67 to 2^68
2013-08-14NesowaNF
no factor from 2^66 to 2^67