is 2 4890133 - 1
has 1472077 decimal digits
takes 0.678 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
Actual2676.076365.6716%----6.076365.6716%0.0000%
PrimeNet2610.062862.2951%220004500000.00913.3010%0.071963.5397%1.2446%
GPU722651.491964.6154%320007000000.01372.3732%1.505765.4551%0.8397%
Difference+2+4.5844+1.0563%-32000-700000-0.0137-2.3732%+4.5706+0.2165%+0.2165%

Known prime factors (3 factors, 130.0 bits, 0.00265942% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
489013329340799824.8063
3
-134.573e-132.229e-74.090e-7
48901336381330157031239.21565247
3 × 7 × 13 × 239
2008-09-08132391.681e-85.088e-65.318e-6
4890133752280896008415623512066.0287691824496475
32 × 52 × 7 × 421 × 2939 × 3947
2019-07-22293939473.50630.00060.0012

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4890133187233325490055666972064.021
489013322072522561322825117866584492890.834
48901334800552768256051970974573659775332105.243
4890133140852053862294401413918799862161462464740130.049
P-1 results:
No P-1 results for M4890133


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T00:18:00Will EdgingtonManual testing??39.215121.83804e-91.4403.90523e-9


ECM factoring results:

Old Calculation Method

Total ECM effort:0.419 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.419 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.06593.752%
25500000.00699.419%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.419


Lucas-Lehmer results:
No L-L results for M4890133


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:11:02kkmrkkblmbrbkManual testing
29340799
638133015703
3EF8E503B29FFE__no
2018-04-03T14:50:31Oliver KruseGTX-7
29340799
638133015703
3EF8E503B29FFE__no
2019-07-23T16:34:57ANONYMOUS
29340799
638133015703
75228089600841562351
28052AF083542A20no
2019-07-24T16:48:04kkmrkkblmbrbkc5.large
29340799
638133015703
75228089600841562351
28052AF083542A20no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2019-07-24T16:48:04+00:00