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
74097833Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 680000
B2 = 13770000
LL
StatusDateUserResidueShift
Verified2017-07-09baseyE7CB57CE84D171A913749420
Verified2023-08-06Remi LucetE7CB57CE84D171A937559264
History
DateUserTypeResult
2023-08-06Remi LucetC-LL
E7CB57CE84D171A9
2017-07-09baseyC-LL
E7CB57CE84D171A9
2016-05-05Judge HaleNF
no factor from 2^74 to 2^75
2015-06-11BdotNF-PM1
B1=680000, B2=13770000
2015-05-12Sid & AndyNF
no factor from 2^73 to 2^74
2015-05-08BdotNF
no factor from 2^72 to 2^73
2015-05-08BdotNF
no factor from 2^71 to 2^72
2013-07-08SMoffatNF
no factor from 2^70 to 2^71
2013-05-31-Anonymous-NF
no factor from 2^69 to 2^70
2010-07-09Thomas FehrNF
no factor from 2^68 to 2^69
2010-06-28-Anonymous-NF
no factor from 2^67 to 2^68
2010-06-23GrunwalderGIMPNF
no factor from 2^66 to 2^67
2010-06-22S80_UKNF
no factor from 2^65 to 2^66
2010-06-20SADMASTERNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64