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
7432459Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 267
P-1
B1 = 3100000
B2 = 11007976980
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified1999-06-26Jeff Hix3B4F5B4765A2EB993928370
Verified2002-03-03Michael L. McLellan3B4F5B4765A2EB991186757
History
DateUserTypeResult
2023-03-09DRobinsonPENF-PM1
B1=3100000, B2=11007976980
2021-09-28SRBaseNF
no factor from 2^71 to 2^72
2016-09-18Squeeky_SquirrelNF-PM1
B1=230000, B2=5807500, E=12
2016-06-12ramgeisNF
no factor from 2^70 to 2^71
2016-06-12ramgeisNF
no factor from 2^69 to 2^70
2016-06-12ramgeisNF
no factor from 2^68 to 2^69
2016-05-28america64NF
no factor from 2^67 to 2^68
2016-05-20america64NF
no factor from 2^66 to 2^67
2015-06-21VictordeHollanderNF
no factor from 2^65 to 2^66
2013-11-25David CampeauNF
no factor from 2^64 to 2^65
2012-09-16NesowaNF-PM1
B1=85000, B2=1423750, E=6
2012-03-20David CampeauNF
no factor from 2^63 to 2^64