is 2 4667609 - 1
has 1405091 decimal digits
takes 0.615 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
Actual2676.366065.6716%----6.366065.6716%0.0000%
PrimeNet2610.065862.2951%200004000000.00783.1183%0.073663.4708%1.1758%
GPU722651.563064.6154%300006000000.01172.2300%1.574765.4045%0.7891%
Difference+2+4.8029+1.0563%-30000-600000-0.0117-2.2300%+4.7913+0.2672%+0.2672%

Known prime factors (2 factors, 116.2 bits, 0.00248845% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
46676093649696829291238.40939096
23 × 33 × 181
-271811.147e-86.757e-61.049e-5
46676092527681321815817319272732477.74227076832290534804
22 × 197 × 34361462297633
2019-03-19197343614622976339,629.1357,416667,554

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
46676099225270505686744575519550289762261735116.151
P-1 results:
No P-1 results for M4667609


Trial Factoring results:
No TF results for M4667609


ECM factoring results:

Old Calculation Method

Total ECM effort:0.590 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.590 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.590


Lucas-Lehmer results:
No L-L results for M4667609


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:28:22kkmrkkblmbrbkManual testing
364969682929
BD9498F962C092__no
2018-03-04T23:19:46ATHec2-1xf
364969682929
BD9498F962C092__no
2019-03-21T13:00:06_p95holder_TFL17_PRPt15-E_g
364969682929
252768132181581731927273
7117A8DE9D39B745no
2019-03-22T06:40:23kkmrkkblmbrbkc5.large
364969682929
252768132181581731927273
7117A8DE9D39B745no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2019-03-22T06:40:23+00:00