is 2 4096537 - 1
has 1233181 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
Actual2677.253467.1642%----7.253467.1642%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+5.4725+1.0103%-22000-400000-0.0077-1.8083%+5.4648+0.3983%+0.3983%

Known prime factors (1 factor, 44.8 bits, 0.00109350% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4096537305414448459111444.7963727715
5 × 745543
-57455431.067e-60.00730.0137

P-1 results:
No P-1 results for M4096537


Trial Factoring results:
No TF results for M4096537


ECM factoring results:

Old Calculation Method

Total ECM effort:0.543 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.543 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.543


Lucas-Lehmer results:
No L-L results for M4096537


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-13T21:48:55kkmrkkblmbrbkc4.xlarge
30541444845911
FA35C188DD1D22__no
2018-01-11T12:33:56Oliver KruseGTX-4
30541444845911
FA35C188DD1D22__no


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
TF factor-bounds graph:
267
240
250
260
270
280
290
2100
Last modified: 2018-11-29T03:48:20+00:00