is 2 4096579 - 1
has 1233194 decimal digits
takes 0.511 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
Actual2677.253367.1642%----7.253367.1642%0.0000%
PrimeNet2610.075063.9344%170003400000.00632.8223%0.081264.9523%1.0179%
GPU722651.780966.1538%220004000000.00771.8083%1.788666.7659%0.6120%
Difference+2+5.4724+1.0103%-22000-400000-0.0077-1.8083%+5.4647+0.3983%-0.6120%

Known prime factors (2 factors, 103.1 bits, 0.00251738% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
409657919040653397271340.792232397
11 × 37 × 571
-375714.657e-81.195e-51.362e-5
409657958133628768814257371962.334709538724492
22 × 3 × 13 × 4548325157
2016-07-271345483251570.268844.81583.702

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
40965791106902276112556197021702635379932103.126
P-1 results:
No P-1 results for M4096579


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-07-27T14:35:00TJAOIManual testing262263*62.334190.1191.0370.241


ECM factoring results:
Total ECM effort:0.543 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.543


Lucas-Lehmer results:
No L-L results for M4096579


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:25:05kkmrkkblmbrbkManual testing
1904065339727
5813362876881425737
DF7F3CC1FC6F2B__no
2018-01-11T23:07:12Oliver KruseGTX-2
1904065339727
5813362876881425737
DF7F3CC1FC6F2B__no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
263
240
250
260
270
280
290
2100
Last modified: 2018-11-29T03:51:23+00:00