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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
19944293Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 810000
B2 = 445551330
LL
StatusDateUserResidueShift
Verified2003-08-25Charles VillaADCF49A2B147FDAC10466099
Verified2008-03-05Kevin DeLisleADCF49A2B147FDAC6040355
History
DateUserTypeResult
2024-12-21MooMoo2NF-PM1
B1=810000, B2=445551330
2021-11-12-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-03-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-13SRBaseNF
no factor from 2^70 to 2^71
2018-05-29ixfd64NF-PM1
B1=330000, B2=6500000, E=12
2017-03-10ramgeisNF
no factor from 2^69 to 2^70
2016-07-08mikrNF
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