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
11229191Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 10000000
B2 = 20021278200
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2000-12-07Stephen Wood871BE6F7B810DF592152281
Verified2004-02-07Eric Hayward871BE6F7B810DF592864518
History
DateUserTypeResult
2025-02-07James HeinrichNF
no factor from 2^72 to 2^73
2024-07-26vshNF
no factor from 2^72 to 2^73
2024-06-10vshNF-PM1
B1=10000000, B2=20021278200
2024-04-26vshNF-PM1
B1=7124296, B2=9264393600
2024-03-25vshNF-PM1
B1=3562148, B2=4667551350
2024-03-21vshNF-PM1
B1=1781074, B2=1788764670
2021-10-30SRBaseNF
no factor from 2^71 to 2^72
2021-08-16SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2015-12-28VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-07NesowaNF
no factor from 2^65 to 2^66
2015-02-05Sid & AndyNF-PM1
B1=130000, B2=2437500, E=6
2013-11-23lycornNF
no factor from 2^64 to 2^65