is 2 4809443 - 1
has 1447787 decimal digits
takes 0.633 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
Actual2676.178265.6716%----6.178265.6716%0.0000%
PrimeNet2610.063962.2951%200004500000.00833.2258%0.072263.5114%1.2163%
GPU722651.517064.6154%320006500000.01252.3230%1.529565.4374%0.8220%
Difference+2+4.6613+1.0563%-32000-650000-0.0125-2.3230%+4.6488+0.2343%+0.2343%

Known prime factors (2 factors, 102.2 bits, 0.00212577% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4809443215559235271134.3272241
33 × 83
-27837.067e-105.737e-61.049e-5
48094432773348520970459918172167.91028832325499756
22 × 997 × 52951 × 136537
2019-06-05529511365377.32980.01100.0206

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4809443597820886317577898220911977855931102.238
P-1 results:
No P-1 results for M4809443


Trial Factoring results:
No TF results for M4809443


ECM factoring results:

Old Calculation Method

Total ECM effort:0.397 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.397 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.397


Lucas-Lehmer results:
No L-L results for M4809443


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-20T13:48:07Oliver KruseGTX-0
21555923527
A054AF5D57B8C3__no
2018-01-07T02:51:15kkmrkkblmbrbkc4.xlarge
21555923527
A054AF5D57B8C3__no
2019-06-05T06:11:39ATHec2-PRPCF
21555923527
277334852097045991817
A054AF5D57B8C3BAno


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2019-06-05T22:28:36+00:00