Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
68853341Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 615000
B2 = 11531250
LL
StatusDateUserResidueShift
Verified2016-05-07Turbulence00F2E9418E132EA510250530
Verified2024-03-20aas236_tpu00F2E9418E132EA511544328
History
DateUserTypeResult
2024-05-05James HeinrichNF
no factor from 2^70 to 2^71
2024-03-20aas236_tpuC-LL
00F2E9418E132EA5
2016-05-07TurbulenceC-LL
00F2E9418E132EA5
2016-03-09endless_mikeNF
no factor from 2^74 to 2^75
2014-05-051997rj7NF-PM1
B1=615000, B2=11531250
2014-03-11kdgehmanNF
no factor from 2^73 to 2^74
2014-03-11kdgehmanNF
no factor from 2^72 to 2^73
2014-03-11kdgehmanNF
no factor from 2^71 to 2^72
2012-11-20SADMASTERNF
no factor from 2^70 to 2^71
2012-03-17ddboy3NF
no factor from 2^69 to 2^70
2010-04-23Beat BucheliNF
no factor from 2^68 to 2^69
2010-04-22-Anonymous-NF
no factor from 2^67 to 2^68
2010-04-16Steve_RichterNF
no factor from 2^66 to 2^67
2010-04-12unconnectedNF
no factor from 2^65 to 2^66
2010-04-09sirlprNF
no factor from 2^64 to 2^65
2009-01-061997rj7NF
no factor to 2^64