is 2 8676163 - 1
has 2611786 decimal digits
takes 2.265 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2673.424864.1791%----3.424864.1791%1.6791%
PrimeNet2640.410262.5000%3600010000000.03353.3075%0.443863.7403%1.2403%
GPU722686.870064.7059%5500012000000.04442.2959%6.914465.5162%0.8103%
Difference-1-3.4452-0.5268%-55000-1200000-0.0444-2.2959%-3.4896-1.3371%-1.3371%

Known prime factors (2 factors, 125.4 bits, 0.00144552% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
86761631052980269468992171856.5476068237016
23 × 3 × 23 × 1931 × 5693
1998-11-07193156930.00130.00080.0015
86761635388258847395957151032168.86831052084011077
3 × 2953 × 12163 × 288181
2021-05-10121632881819.8180.01030.0111

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
86761635673730253099676119765971820558577435138125.416
P-1 results:
Exponent "8676163" not found


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-05-10T03:48:40One ManRyzen260055000055000027P-12168.8680.317
2021-05-10T04:12:47One ManRyzen26005500002915000065--0.895


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-11-07T00:00:00ANONYMOUSv4_computers??56.547180.0005.0050.001


ECM factoring results:
Exponent "8676163" not found


Lucas-Lehmer results:
Exponent "8676163" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2018-12-23T07:11:20Oliver KruseGTX-0
105298026946899217
A785D3DF293C06__no
2020-08-26T08:00:34TomDell_13_2_1_2017
105298026946899217
A785D3DF293C06C1no
2021-05-11T04:50:40marssystemssystem11
105298026946899217
538825884739595715103
A785D3DF293C06C1no


P-1 factor-bounds graph:
102
103
104
105
102
103
104
105
106
TF factor-bounds graph:
267
2
250
260
270
280
290
2100
Last modified: 2021-05-11T04:50:40+00:00