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
10764557Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 1000000
B2 = 3354249360
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Bad2002-03-03Ars Technica Team Prime Rib40DBA09F85D372374452140
Verified2004-04-09David Coster481A2ED18EB5408F213992
Verified2004-11-03Shane Sanford481A2ED18EB5408F1518222
History
DateUserTypeResult
2022-03-08axnNF-PM1
B1=1000000, B2=3354249360
2022-03-06-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-27SRBaseNF
no factor from 2^71 to 2^72
2021-08-12SRBaseNF
no factor from 2^70 to 2^71
2020-09-03ViliamFNF
no factor from 2^69 to 2^70
2018-01-02ThaNF-PM1
B1=300000, B2=6000000, E=6
2017-12-21ramgeisNF
no factor from 2^68 to 2^69
2017-12-21ramgeisNF
no factor from 2^67 to 2^68
2015-12-02VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-18ThaNF
no factor from 2^65 to 2^66
2013-09-14TharsisNF
no factor from 2^64 to 2^65