is 2 4883033 - 1
has 1469940 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
Actual2676.085165.6716%----6.085165.6716%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+4.5910+1.0563%-32000-700000-0.0137-2.3726%+4.5773+0.2167%+0.2167%

Known prime factors (2 factors, 118.8 bits, 0.00243336% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
488303321062638612108811650.904215671680
27 × 33 × 5 × 7 × 1783
-12817833.630e-54.385e-55.236e-5
48830332788665452823896219032167.91828554644754847
23 × 31 × 155003 × 258373
2019-07-1915500325837311.2620.03230.0634

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
488303358736652642902495627143855333952654336118.822
P-1 results:
No P-1 results for M4883033


Trial Factoring results:
No TF results for M4883033


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
20110000.09790.776%
25500000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.629


Lucas-Lehmer results:
No L-L results for M4883033


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T17:04:16kkmrkkblmbrbkManual testing
2106263861210881
C4326DEF8DE429__no
2018-04-03T02:15:03Oliver KruseGTX-6
2106263861210881
C4326DEF8DE429__no
2019-07-20T05:09:01Niels_Mache_NextcloudSuperDry-X
2106263861210881
278866545282389621903
6322DDE67A69FCCCno
2019-07-20T22:50:28NesowaLaptop
2106263861210881
278866545282389621903
6322DDE67A69FCCCno


P-1 factor-bounds graph:
101
102
103
104
105
106
101
102
103
104
105
106
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2019-07-20T22:50:28+00:00