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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
69722531Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 720000
B2 = 16560000
LL
StatusDateUserResidueShift
Verified2014-04-22-Anonymous-4B3E5A0226C16BB418718816
Verified2023-05-26yponomarev4B3E5A0226C16BB447254584
History
DateUserTypeResult
2023-05-26yponomarevC-LL
4B3E5A0226C16BB4
2019-10-04ChuckNF
no factor from 2^74 to 2^75
2015-07-07monstNF
no factor from 2^73 to 2^74
2015-01-25monstNF
no factor from 2^72 to 2^73
2014-04-22-Anonymous-C-LL
4B3E5A0226C16BB4
2014-03-18Abdullah BaigNF-PM1
B1=720000, B2=16560000
2014-03-07garoNF
no factor from 2^71 to 2^72
2012-11-07GrunwalderGIMPNF
no factor from 2^70 to 2^71
2012-03-20Simon HarrisonNF
no factor from 2^69 to 2^70
2010-05-12SAHS Physics ClubNF
no factor from 2^68 to 2^69
2010-05-08SAHS Physics ClubNF
no factor from 2^67 to 2^68
2010-03-04-Anonymous-NF
no factor from 2^66 to 2^67
2010-03-01-Anonymous-NF
no factor from 2^65 to 2^66
2010-02-24Aleksey OsadchiyNF
no factor from 2^64 to 2^65