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
40024541Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 2741000
B2 = 4965495150
LL
StatusDateUserResidueShift
Verified2009-04-12-Anonymous-0A3233062B32278E16449720
Verified2015-11-19Dmitry0A3233062B32278E2194033
History
DateUserTypeResult
2025-04-27OdicinNF-PM1
B1=2741000, B2=4965495150
2020-02-21-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2015-11-19DmitryC-LL
0A3233062B32278E
2015-01-16S36049NF
no factor from 2^71 to 2^72
2014-11-29garoNF
no factor from 2^70 to 2^71
2014-11-29garoNF
no factor from 2^69 to 2^70
2013-10-27VictordeHollanderNF
no factor from 2^68 to 2^69
2009-04-12-Anonymous-C-LL
0A3233062B32278E
2008-12-25-Anonymous-NF
no factor to 2^68