is 2 4713727 - 1
has 1418974 decimal digits
takes 0.621 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
Actual2676.303765.6716%----6.303765.6716%0.0000%
PrimeNet2610.065262.2951%200004000000.00783.1235%0.072963.4728%1.1777%
GPU722651.547864.6154%300006000000.01172.2338%1.559465.4058%0.7904%
Difference+2+4.7559+1.0563%-30000-600000-0.0117-2.2338%+4.7443+0.2658%+0.2658%

Known prime factors (3 factors, 140.5 bits, 0.00298165% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4713727579222773771135.7536144
211 × 3
-204820481.291e-90.00040.0008
47137271617468282791237.23517157
3 × 7 × 19 × 43
2008-09-0819436.656e-93.877e-67.382e-6
47137272173716348476387381512167.55923057299971725
52 × 19 × 48541684151
2019-04-19254854168415110.346504.91943.04

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
471372793687446524262255441832272.988
47137271259066012753689012467249410992732103.312
47137273515917249442651530833804297212932104.794
4713727203649934156796160623309280591300141822563343140.547
P-1 results:
No P-1 results for M4713727


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T00:10:00Will EdgingtonManual testing??37.235122.77195e-91.3275.92699e-9


ECM factoring results:

Old Calculation Method

Total ECM effort:0.592 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.592 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.09790.776%
25500000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.592


Lucas-Lehmer results:
No L-L results for M4713727


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-19T18:38:49Oliver KruseGTX-1
57922277377
161746828279
6DF04D264A3DE4__no
2018-01-05T00:25:17kkmrkkblmbrbkc4.xlarge
57922277377
161746828279
6DF04D264A3DE4__no
2019-04-19T14:33:05_p95holder_TFL15_PRPt17-E_d
57922277377
161746828279
217371634847638738151
6DF04D264A3DE454no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
267
2
230
240
250
260
270
280
290
2100
Last modified: 2019-04-19T14:33:05+00:00