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
11614709Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 268
P-1
B1 = 13984112
B2 = 124183569510
ECM
DigitsB1Curves
255000028 / 280
Estimated T-Level: 20.5
LL
StatusDateUserResidueShift
Bad2002-05-18Thomas Honold08E3539FFD231CD26233269
Verified2002-12-31Ars Technica Team Prime RibF0EDECEA8BE192C79205635
Verified2004-05-11Ars Technica Team Prime RibF0EDECEA8BE192C73413014
Verified2004-07-02Brian J. BeesleyF0EDECEA8BE192C75139953
History
DateUserTypeResult
2025-01-31yuriy_5-1NF
no factor from 2^74 to 2^75
2024-09-06yuriy_5-1NF
no factor from 2^73 to 2^74
2024-08-06yuriy_5-1NF
no factor from 2^72 to 2^73
2024-05-22yuriy_5-1NF-PM1
B1=13984112, B2=38238035550
2024-05-22yuriy_5-1NF-PM1
B1=13984112, B2=124183569510
2023-01-02Naegi MakotoNF
no factor from 2^71 to 2^72
2021-08-22LaurVNF-PM1
B1=6189107, B2=185673210
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2018-01-03ramgeisNF
no factor from 2^68 to 2^69
2018-01-03ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-05lycornNF
no factor from 2^64 to 2^65
2012-03-19James HeinrichNF-PM1
B1=225000, B2=5400000, E=6