is 2 87663239 - 1
has 26389265 decimal digits
takes 295.539 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
Actual2670.339059.7015%----0.339059.7015%0.0000%
PrimeNet2715.453661.9718%360000170000006.19165.4012%11.645264.0258%2.0540%
GPU7227587.287564.0000%600000200000008.09994.0441%95.387465.4559%1.4559%
Difference-8-86.9486-4.2985%-600000-20000000-8.0999-4.0441%-95.0485-5.7544%-5.7544%

Known prime factors (2 factors, 91.0 bits, 0.00010381% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
87663239175326479927.3851
1
2007-08-17112.040e-134.888e-69.949e-6
87663239141396087095639281692063.61680647309356
22 × 3 × 269 × 24983677
2017-03-27269249836770.03096.655212.428

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
8766323924790478094855771512796869512891.002
P-1 results:
No P-1 results for M87663239


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2017-03-27T15:23:52TJAOIManual testing263264*63.616200.013607.70.026


ECM factoring results:
No ECM results for M87663239


Lucas-Lehmer results:
No L-L results for M87663239


PRP results:
No PRP results for M87663239


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
264
220
230
240
250
260
270
280
290
2100
Last modified: 2017-03-27T15:23:52+00:00