is 2 4794749 - 1
has 1443364 decimal digits
takes 0.631 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
Actual2676.197265.6716%----6.197265.6716%0.0000%
PrimeNet2610.064162.2951%200004500000.00833.2241%0.072463.5107%1.2156%
GPU722651.521664.6154%320006500000.01252.3218%1.534165.4369%0.8215%
Difference+2+4.6756+1.0563%-32000-650000-0.0125-2.3218%+4.6630+0.2347%+0.2347%

Known prime factors (3 factors, 126.2 bits, 0.00263126% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4794749143842471927.10015
3 × 5
-353.741e-125.936e-71.166e-6
4794749373990423928.47839
3 × 13
2008-09-083137.521e-126.768e-71.166e-6
479474917694700756750241294232270.584184521658555539
33 × 53 × 647 × 199298227
2019-05-2764719929822754.7912.07323.8718

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4794749537957065746552331755.578
47947492545249480456524637608281242333097.684
47947496617648620875442846981145159293099.062
47947499518989298364658823290428101219622055938126.162
P-1 results:
No P-1 results for M4794749


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T00:13:00Will EdgingtonManual testing??28.47896.29594e-141.3471.34363e-13


ECM factoring results:

Old Calculation Method

Total ECM effort:0.594 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.594 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.594


Lucas-Lehmer results:
No L-L results for M4794749


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:19:32kkmrkkblmbrbkManual testing
143842471
373990423
A6807045ED18F4__no
2018-03-21T22:29:13ATHec2-PRPCFDC
143842471
373990423
A6807045ED18F4__no
2019-05-30T15:23:47vnatinVIR7-1262
143842471
373990423
1769470075675024129423
C3FDE2AA82EF4887no
2019-05-30T16:13:54ATHec2-PRPCFDC
143842471
373990423
1769470075675024129423
C3FDE2AA82EF4887no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2019-05-30T16:13:54+00:00