is 2 3336803 - 1
has 1004478 decimal digits
takes 0.350 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
Actual26817.862967.6471%10000001343433001.25877.6642%19.121570.1266%2.4796%
PrimeNet2600.046063.3333%140002600000.00422.7839%0.050264.3541%1.0208%
GPU722641.066765.6250%180003000000.00511.7541%1.071866.2280%0.6030%
Difference+4+16.7962+2.0221%+982000+134043300+1.2536+5.9101%+18.0498+3.8987%+3.8987%

Known prime factors (2 factors, 75.7 bits, 0.00226744% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33368036673607722.6701
1
-111.675e-131.523e-73.099e-7
333680389440180678829291652.9901340207688
23 × 3 × 199 × 280613
2014-08-311992806130.00020.00240.0043

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3336803596888615859499901549032375.660
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-08T12:47:30Jocelyn LaroucheManual testing33368036704836-
skipped known factor: 6673607
skipped known factor: 8944018067882929
--0.079--3.513%
2021-03-09T01:58:00Jocelyn LaroucheManual testing33368070072866-
skipped known factor: 6673607
skipped known factor: 8944018067882929
--0.106--4.049%
2022-02-24T19:16:37Jocelyn LaroucheManual testing1000000134343300-
skipped known factor: 6673607
skipped known factor: 8944018067882929
--1.259--7.664%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-08-31T10:32:00TJAOIManual testing??52.990164.38995e-50.7589.49285e-5
2021-07-27T18:06:57Jocelyn LaroucheManual testing267268--8.958--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.438 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.438 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.438


Lucas-Lehmer results:
No L-L results for M3336803


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-06T08:33:14kkmrkkblmbrbkold
6673607
8944018067882929
89910442CA119F__no
2017-11-20T07:37:56Oliver KruseGTX-3
6673607
8944018067882929
89910442CA119F__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 134343300 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 333680, B2 = 7007286 (P-1 stage 2)
B1 = 333680, B2 = 3670483 (P-1 stage 2)
B1 = 333680 (P-1 stage 1)
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TF factor-bounds graph:
268
2
220
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290
2100
Last modified: 2022-02-24T19:16:37+00:00