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
11693047Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 268
P-1
B1 = 14078430
B2 = 121261590450
ECM
DigitsB1Curves
255000075 / 280
Estimated T-Level: 21.3 ⓘ
LL
StatusDateUserResidueShift
Verified2001-08-18Jörg Thomsen867B5D443C7A27467748387
Verified2004-08-06Rick Cummings867B5D443C7A2746743253
History
DateUserTypeResult
2025-04-04yuriy_5-1NF
no factor from 2^74 to 2^75
2025-01-08yuriy_5-1NF
no factor from 2^73 to 2^74
2024-09-02yuriy_5-1NF
no factor from 2^72 to 2^73
2024-08-21yuriy_5-1NF-PM1
B1=14078430, B2=121261590450
2021-08-17LaurVNF-PM1
B1=6189107, B2=185673210
2019-06-16NumberwangNF-PM1
B1=205000, B2=3997500, e=12
2018-02-05Oliver KruseNF
no factor from 2^67 to 2^72
2018-01-21ramgeisNF
no factor from 2^68 to 2^69
2018-01-21ramgeisNF
no factor from 2^67 to 2^68
2016-02-08VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-10-30lycornNF
no factor from 2^64 to 2^65