is 2 4796983 - 1
has 1444036 decimal digits
takes 0.632 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
Actual2676.194365.6716%----6.194365.6716%0.0000%
PrimeNet2610.064062.2951%200004500000.00833.2243%0.072363.5108%1.2157%
GPU722651.520964.6154%320006500000.01252.3219%1.533465.4370%0.8216%
Difference+2+4.6734+1.0563%-32000-650000-0.0125-2.3219%+4.6609+0.2346%+0.2346%

Known prime factors (2 factors, 106.6 bits, 0.00222229% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
479698374832934811032.801780
22 × 3 × 5 × 13
-5131.394e-101.038e-61.943e-6
4796983164652886082957788905772373.8021716212941373336
23 × 7 × 1466659 × 20895559
2019-05-28146665920895559766.140.48210.5699

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
479698312321458690524336469167227642853733106.603
P-1 results:
No P-1 results for M4796983


Trial Factoring results:
No TF results for M4796983


ECM factoring results:

Old Calculation Method

Total ECM effort:0.396 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.396 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.396


Lucas-Lehmer results:
No L-L results for M4796983


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:10:53kkmrkkblmbrbkManual testing
7483293481
42E54ADD0F86B1__no
2018-03-27T03:53:12krackerGRID-11
7483293481
42E54ADD0F86B1__no
2019-05-29T02:50:18Niels_Mache_NextcloudSuperDry-X
7483293481
16465288608295778890577
F466741F36BA3310no
2019-05-29T03:47:31ATHec2-PRPCFDC
7483293481
16465288608295778890577
F466741F36BA3310no


P-1 factor-bounds graph:
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2019-05-29T03:47:31+00:00