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
17452859Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 269
P-1
B1 = 860000
B2 = 498356430
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Bad2003-06-06Don AllisonC8F9C8D43BA7C9704945760
Verified2003-10-31Daniel PuertasA951B048B752B41F7092865
Verified2007-06-15Chris HalsallA951B048B752B41F13347919
History
DateUserTypeResult
2024-10-04MooMoo2NF-PM1
B1=860000, B2=498356430
2022-01-27-Anonymous-NF
no factor from 2^74 to 2^75
2022-01-21-Anonymous-NF
no factor from 2^73 to 2^74
2022-01-11TheJudgerNF
no factor from 2^72 to 2^73
2021-09-20-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-10SRBaseNF
no factor from 2^70 to 2^71
2020-04-07lycornNF
no factor from 2^69 to 2^70
2018-03-25ramgeisNF
no factor from 2^68 to 2^69
2018-03-25ramgeisNF
no factor from 2^67 to 2^68
2014-08-31NesowaNF
no factor from 2^66 to 2^67
2014-03-01NesowaNF
no factor from 2^65 to 2^66