is 2 6960139 - 1
has 2095211 decimal digits
takes 1.518 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.269265.6716%----4.269265.6716%
Target2674.269265.6716%450009000000.02902.2384%4.298166.4401%
Difference----45000-900000-0.0290-2.2384%-0.0290-0.7684%

Known prime factors (1 factor, 43.5 bits, 0.00062553% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6960139127682357927211443.538917240
23 × 5 × 23 × 997		-239972.587e-72.405e-53.212e-5

P-1 results:
No P-1 results for M6960139


Trial Factoring results:
No TF results for M6960139


ECM factoring results:
No ECM results for M6960139


Lucas-Lehmer results:
No L-L results for M6960139


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-27Oliver KruseGTX-7
12768235792721
D8E1444FA7939D__no
2019-02-11J.R. Allenlaphp
12768235792721
D8E1444FA7939D15no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
TF factor-bounds graph:
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00