is 2 4609447 - 1
has 1387582 decimal digits
takes 0.607 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
Actual2676.446365.6716%----6.446365.6716%0.0000%
PrimeNet2610.066662.2951%190004000000.00763.0769%0.074263.4552%1.1601%
GPU722651.582864.6154%280006000000.01132.1878%1.594165.3895%0.7741%
Difference+2+4.8635+1.0563%-28000-600000-0.0113-2.1878%+4.8522+0.2821%+0.2821%

Known prime factors (2 factors, 116.5 bits, 0.00252688% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
46094479934755869330411549.819107765160
23 × 3 × 5 × 29 × 173 × 179
-1731792.916e-53.309e-56.722e-5
46094471162451043360251938012166.65612609441472700
22 × 52 × 15761 × 8000407
2019-02-231576180004073.47060.08610.1554

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
460944711548667325832521871700132523527884136116.475
P-1 results:
No P-1 results for M4609447


Trial Factoring results:
No TF results for M4609447


ECM factoring results:

Old Calculation Method

Total ECM effort:0.196 GHz-days
Estimated T-Level:0.050
DigitsB1CurvesCompleteFacMiss
20110001 / 1000.01099.000%
25500001 / 2800.00499.643%

New Calculation Method

Total ECM effort:0.196 GHz-days
Estimated T-Level:0.050
DigitsB1CompleteFacMiss
20110000.03296.826%
25500000.00399.709%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.196


Lucas-Lehmer results:
No L-L results for M4609447


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:11:12kkmrkkblmbrbkManual testing
993475586933041
FEC67B09982C02__no
2018-02-28T03:58:57Oliver KruseGTX-5
993475586933041
FEC67B09982C02__no
2019-02-24T11:16:00oodairacom1
993475586933041
116245104336025193801
36F6A90D082180E5no
2019-02-24T12:01:44ATHec2-PRPCFDC
993475586933041
116245104336025193801
36F6A90D082180E5no


P-1 factor-bounds graph:
101
102
103
104
105
101
102
103
104
105
106
107
TF factor-bounds graph:
267
240
250
260
270
280
290
2100
Last modified: 2019-02-24T12:01:44+00:00