is 2 4560841 - 1
has 1372950 decimal digits
takes 0.601 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
Actual2676.515065.6716%----6.515065.6716%0.0000%
PrimeNet2610.067462.2951%190004000000.00763.0713%0.074963.4531%1.1580%
GPU722651.599664.6154%280005500000.01082.1356%1.610465.3710%0.7557%
Difference+2+4.9154+1.0563%-28000-550000-0.0108-2.1356%+4.9046+0.3006%+0.3006%

Known prime factors (3 factors, 166.3 bits, 0.00364703% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
456084146290346946331342.074507476
22 × 293 × 433
-2934332.368e-75.739e-50.0001
456084159313563072090631652.397650248091
650248091
2014-08-0716502480910.00026.763712.633
456084142985208818545197460172271.864471242132959088
24 × 3986989 × 7387187
2019-02-0539869897387187152.670.79661.5491

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4560841274564541323010234806950588792994.471
45608411989800229770901068323467231302676135113.938
45608412549605894425766922311712254088055207138124.262
456084111802214142937676822110029168541864741490994073494
3
51166.335
P-1 results:
No P-1 results for M4560841


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-08-07T10:44:00TJAOIManual testing??52.397164.47314e-51.2889.59176e-5


ECM factoring results:

Old Calculation Method

Total ECM effort:0.391 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.391 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.391


Lucas-Lehmer results:
No L-L results for M4560841


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-17T11:49:51kkmrkkblmbrbkc4.xlarge
4629034694633
5931356307209063
D77E307FA8C3D4__no
2018-02-23T07:26:40Oliver KruseGTX-7
4629034694633
5931356307209063
D77E307FA8C3D4__no
2019-02-06T07:34:44Meracaynmm
4629034694633
5931356307209063
4298520881854519746017
D77E307FA8C3D4F5no


P-1 factor-bounds graph:
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
2
240
250
260
270
280
290
2100
Last modified: 2019-02-06T07:34:44+00:00