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
10504069Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 5485000
B2 = 56591518620
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
LL
StatusDateUserResidueShift
Verified2000-08-10Steve Nicholson125FECB52B9860E01461861
Verified2003-11-28texaport125FECB52B9860E04987649
History
DateUserTypeResult
2025-04-25Jason LynchNF-PM1
B1=5485000, B2=56591518620
2022-02-13Zhang RuichongNF-PM1
B1=622000, B2=296812230
2021-12-30-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-26SRBaseNF
no factor from 2^71 to 2^72
2021-08-12SRBaseNF
no factor from 2^70 to 2^71
2014-04-13ramgeisNF
no factor from 2^69 to 2^70
2014-04-13ramgeisNF
no factor from 2^68 to 2^69
2014-04-13ramgeisNF
no factor from 2^67 to 2^68
2014-04-13ramgeisNF
no factor from 2^66 to 2^67
2012-12-17NesowaNF-PM1
B1=145000, B2=2875000, E=6
2012-09-02GrunwalderGIMPNF
no factor from 2^65 to 2^66
2012-09-02GrunwalderGIMPNF
no factor from 2^64 to 2^65