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
19077131Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1000000
B2 = 598065270
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2003-08-25Team_Ideal169C674632A8BC6F14927450
Verified2007-04-07John Pursch169C674632A8BC6F7108491
History
DateUserTypeResult
2024-11-04Sid & AndyNF-PM1
B1=1000000, B2=598065270
2021-06-23-Anonymous-NF
no factor from 2^72 to 2^73
2021-06-20-Anonymous-NF
no factor from 2^71 to 2^72
2021-06-20-Anonymous-NF
no factor from 2^70 to 2^71
2020-01-10lycornNF
no factor from 2^69 to 2^70
2017-12-02ramgeisNF
no factor from 2^68 to 2^69
2014-07-24NesowaNF
no factor from 2^67 to 2^68
2014-07-24NesowaNF
no factor from 2^66 to 2^67