is 2 85758583 - 1
has 25815906 decimal digits
takes 276.214 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.346559.7015%----0.346559.7015%0.0000%
PrimeNet2715.574761.9718%360000170000005.91535.3869%11.490064.0204%2.0485%
GPU7227589.226264.0000%550000190000007.26313.9485%96.489365.4214%1.4214%
Difference-8-88.8797-4.2985%-550000-19000000-7.2631-3.9485%-96.1428-5.7199%-5.7199%

Known prime factors (2 factors, 71.9 bits, 0.00008389% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
85758583857585831929.6765
5
2007-08-14158.349e-135.688e-69.505e-6
8575858353053689787131342.27130932
22 × 11 × 19 × 37
2007-08-1419371.158e-89.331e-50.0002

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
8575858345498092643712094155032271.946
P-1 results:
No P-1 results for M85758583


Trial Factoring results:
No TF results for M85758583


ECM factoring results:
No ECM results for M85758583


Lucas-Lehmer results:
No L-L results for M85758583


PRP results:
No PRP results for M85758583


P-1 factor-bounds graph:
100
101
102
100
101
102
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2007-08-14T20:39:31+00:00