is 2 4531217 - 1
has 1364033 decimal digits
takes 0.597 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
Actual2676.557665.6716%----6.557665.6716%3.3766%
PrimeNet2610.067862.2951%190004000000.00763.0679%0.075465.3630%3.0679%
GPU722651.610164.6154%280005500000.01082.1331%1.620966.7485%2.1331%
Difference+2+4.9475+1.0563%-28000-550000-0.0108-2.1331%+4.9367-1.0769%-1.0769%

Known prime factors (2 factors, 93.1 bits, 0.00205488% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4531217353434927928.39739
3 × 13
-3137.959e-126.768e-71.166e-6
4531217302658307905721294572064.7143339702202584
23 × 3 × 11 × 19 × 47 × 163 × 233 × 373
2017-12-272333731.30384.594e-59.053e-5

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4531217106970016960602128628693446392993.111
P-1 results:
Exponent "4531217" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2017-12-27T15:35:17TJAOIManual testing26426564.714200.5181.2131.054


ECM factoring results:
Total ECM effort:0.586 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

ECM Summary

B1B2factorcurvesGHz-days
50000500000030.586


Lucas-Lehmer results:
Exponent "4531217" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:44:49kkmrkkblmbrbkManual testing
353434927
7096368F1AE4A4__no
2017-12-28T03:31:53pewdesktop
353434927
30265830790572129457
FA05AF6F45032B__no
2018-01-01T22:51:09kkmrkkblmbrbkc4.xlarge
353434927
30265830790572129457
FA05AF6F45032B__no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
TF factor-bounds graph:
267
265
220
230
240
250
260
270
280
290
2100
Last modified: 2019-01-30T23:31:45+00:00