is 2 4883003 - 1
has 1469931 decimal digits
takes 0.677 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
Actual2676.085265.6716%----6.085265.6716%0.0000%
PrimeNet2610.062962.2951%220004500000.00913.3002%0.072063.5394%1.2443%
GPU722651.494164.6154%320007000000.01372.3726%1.507865.4549%0.8395%
Difference+2+4.5911+1.0563%-32000-700000-0.0137-2.3726%+4.5773+0.2167%+0.2167%

Known prime factors (3 factors, 138.4 bits, 0.00283406% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
488300350099610791032.222513
33 × 19
-27271.302e-105.427e-61.104e-5
488300327340129117131341.314279952
24 × 17497
2008-09-3016174979.573e-80.00020.0004
4883003332767313766550087992064.8513407404355133
3 × 569 × 4211 × 474029
2018-02-0742114740290.88340.00600.0097

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4883003136972982771655932183272373.536
48830031667151290333796832933925341213097.073
48830039097901324337990752083962516268732106.165
488300345580131535515889109002590346601091305927342138.387
P-1 results:
No P-1 results for M4883003


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-30T21:36:00markrManual testing??41.314133.57366e-81.4387.59400e-8
2018-02-07T14:04:59TJAOIManual testing264265*64.851200.1551.3750.314


ECM factoring results:

Old Calculation Method

Total ECM effort:0.629 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.629 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.629


Lucas-Lehmer results:
No L-L results for M4883003


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T17:04:16kkmrkkblmbrbkManual testing
5009961079
2734012911713
DAC1AF45F9CA24__no
2018-02-10T17:30:23Oliver KruseGTX-3
5009961079
2734012911713
33276731376655008799
2EA4BA80170887__no
2018-02-11T07:40:36kkmrkkblmbrbkc5.large
5009961079
2734012911713
33276731376655008799
2EA4BA80170887__no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
TF factor-bounds graph:
267
265
2
230
240
250
260
270
280
290
2100
Last modified: 2019-07-20T09:49:14+00:00