is 2 83404631 - 1
has 25107296 decimal digits
takes 260.263 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
Actual2670.356359.7015%----0.356359.7015%0.0000%
PrimeNet2715.732061.9718%360000170000005.73105.3689%11.463064.0135%2.0417%
GPU7227591.744464.0000%550000190000007.03693.9349%98.781365.4166%1.4166%
Difference-8-91.3881-4.2985%-550000-19000000-7.0369-3.9349%-98.4250-5.7151%-5.7151%

Known prime factors (2 factors, 82.7 bits, 0.00009916% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
83404631166809263927.3141
1
2007-08-13112.144e-134.525e-69.209e-6
83404631471007037615809431755.387282362641
11 × 53 × 484327
2015-08-07534843278.372e-50.11960.2230

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
8340463178568336812506448166750092582.700
P-1 results:
No P-1 results for M83404631


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-01-22T13:17:00TJAOIManual testing255256*55.387172.61702e-5536.25.39120e-5


ECM factoring results:
No ECM results for M83404631


Lucas-Lehmer results:
No L-L results for M83404631


PRP results:
No PRP results for M83404631


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
TF factor-bounds graph:
267
256
220
230
240
250
260
270
280
290
2100
Last modified: 2015-08-07T20:37:47+00:00