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
24994969Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 270
P-1
B1 = 1000000
B2 = 154117920
LL
StatusDateUserResidueShift
Bad2005-06-19United Power of UkraineC91CA91978A136A018744177
Bad2006-07-10Hoang Anh Vo4B6D39361957529D7303252
Verified2007-11-17Ludovic Ferrandis666B44DBC130441B4002584
Verified2009-04-15GrunwalderGIMP666B44DBC130441B680472
History
DateUserTypeResult
2024-08-12timc995NF-PM1
B1=1000000, B2=154117920
2021-10-17TheJudgerNF
no factor from 2^74 to 2^75
2021-09-19TheJudgerNF
no factor from 2^73 to 2^74
2021-08-28TheJudgerNF
no factor from 2^72 to 2^73
2021-08-28TheJudgerNF
no factor from 2^71 to 2^72
2021-08-06SRBaseNF
no factor from 2^70 to 2^71
2018-08-19ramgeisNF
no factor from 2^69 to 2^70
2018-03-07VictordeHollanderNF
no factor from 2^68 to 2^69
2016-06-03VictordeHollanderNF
no factor from 2^67 to 2^68
2009-04-15GrunwalderGIMPC-LL
666B44DBC130441B