is 2 4323743 - 1
has 1301577 decimal digits
takes 0.539 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
Actual2676.872365.6716%----6.872365.6716%0.0000%
PrimeNet2610.071062.2951%180003600000.00662.9286%0.077763.3993%1.1042%
GPU722651.687464.6154%240005000000.00901.9837%1.696465.3173%0.7019%
Difference+2+5.1849+1.0563%-24000-500000-0.0090-1.9837%+5.1759+0.3543%+0.3543%

Known prime factors (2 factors, 94.8 bits, 0.00219345% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4323743631266479929.23473
73
-1731.680e-118.903e-71.403e-6
4323743561253430288635811532065.6056490365295632
24 × 3 × 135215943659
2019-01-08161352159436591.82651,332.32,488.3

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4323743354300476764979082457850702872994.839
P-1 results:
No P-1 results for M4323743


Trial Factoring results:
No TF results for M4323743


ECM factoring results:

Old Calculation Method

Total ECM effort:0.366 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.366 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.06593.752%
25500000.00699.419%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.366


Lucas-Lehmer results:
No L-L results for M4323743


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:14:31kkmrkkblmbrbkManual testing
631266479
AB3C9C142E6E1E__no
2018-01-31T20:29:17Oliver KruseGTX-4
631266479
AB3C9C142E6E1E__no
2019-01-10T07:55:04Oliver KruseGTX-3
631266479
56125343028863581153
8F61FC1F99451B87no
2019-01-11T06:21:55kkmrkkblmbrbkc5.large
631266479
56125343028863581153
8F61FC1F99451B87no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2019-01-11T06:21:55+00:00