is 2 4800619 - 1
has 1445131 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
Actual2676.189665.6716%----6.189665.6716%0.0000%
PrimeNet2610.064062.2951%200004500000.00833.2248%0.072363.5110%1.2159%
GPU722651.519764.6154%320006500000.01252.3222%1.532365.4371%0.8217%
Difference+2+4.6699+1.0563%-32000-650000-0.0125-2.3222%+4.6573+0.2345%+0.2345%

Known prime factors (2 factors, 123.5 bits, 0.00257200% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4800619268649499516575771754.5772798071452
22 × 34 × 11 × 785093
-817850930.00060.00820.0153
48006195490040113153148726012168.89557180543937700
22 × 52 × 17 × 33635614081
2019-05-31253363561408113.117349.87653.45

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
48006191474896528724518414298049700053134777738123.472
P-1 results:
No P-1 results for M4800619


Trial Factoring results:
No TF results for M4800619


ECM factoring results:

Old Calculation Method

Total ECM effort:0.198 GHz-days
Estimated T-Level:0.050
DigitsB1CurvesCompleteFacMiss
20110001 / 1000.01099.000%
25500001 / 2800.00499.643%

New Calculation Method

Total ECM effort:0.198 GHz-days
Estimated T-Level:0.050
DigitsB1CompleteFacMiss
20110000.03296.826%
25500000.00399.709%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.198


Lucas-Lehmer results:
No L-L results for M4800619


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-21T03:45:08noknopcr2-srv
26864949951657577
no
2018-01-06T15:58:07kkmrkkblmbrbkc4.xlarge
26864949951657577
180707715F6FB3__no
2019-06-03T10:00:22fre_gamesgpu
26864949951657577
549004011315314872601
A9B5E5626A36CD8Fno
2019-06-06T02:49:09artorollofirst
26864949951657577
549004011315314872601
A9B5E5626A36CD8Fno


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2019-06-06T02:49:09+00:00