is 2 86261207 - 1
has 25967211 decimal digits
takes 277.833 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
Actual2670.344559.7015%----0.344559.7015%0.0000%
PrimeNet2715.542261.9718%360000170000005.91535.3907%11.457564.0218%2.0500%
GPU7227588.706364.0000%550000190000007.26313.9513%95.969465.4225%1.4225%
Difference-8-88.3618-4.2985%-550000-19000000-7.2631-3.9513%-95.6249-5.7210%-1.4225%

Known prime factors (1 factor, 56.0 bits, 0.00006490% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
86261207714485346672290891755.988414140592
24 × 3 × 1973 × 4373
2007-08-15197343730.00010.00980.0188

P-1 results:
No P-1 results for M86261207


Trial Factoring results:
No TF results for M86261207


ECM factoring results:
No ECM results for M86261207


Lucas-Lehmer results:
No L-L results for M86261207


PRP results:
No PRP results for M86261207


P-1 factor-bounds graph:
102
103
104
102
103
104
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2007-08-15T06:03:59+00:00