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
25892201Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 270
P-1
B1 = 1598000
B2 = 1706180190
LL
StatusDateUserResidueShift
Verified2006-09-11Grey Smith704CB48097BE00775869312
Verified2010-11-14Eddie B704CB48097BE00774956014
History
DateUserTypeResult
2024-12-01James HeinrichNF-PM1
B1=1598000, B2=1706180190
2021-08-26TheJudgerNF
no factor from 2^72 to 2^73
2021-08-26TheJudgerNF
no factor from 2^71 to 2^72
2021-07-19mikrNF
no factor from 2^70 to 2^71
2017-06-28ramgeisNF
no factor from 2^69 to 2^70
2017-06-28ramgeisNF
no factor from 2^68 to 2^69
2016-10-23VictordeHollanderNF
no factor from 2^67 to 2^68
2010-11-14Eddie BC-LL
704CB48097BE0077