is 2 4675547 - 1
has 1407480 decimal digits
takes 0.616 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
Actual2676.355265.6716%----6.355265.6716%0.0000%
PrimeNet2610.065762.2951%200004000000.00783.1192%0.073563.4712%1.1761%
GPU722651.560464.6154%300006000000.01172.2307%1.572165.4047%0.7893%
Difference+2+4.7948+1.0563%-30000-600000-0.0117-2.2307%+4.7831+0.2669%+0.2669%

Known prime factors (3 factors, 162.4 bits, 0.00347371% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
467554713308196447991340.275142317
34 × 7 × 251
-812515.653e-81.723e-53.147e-5
4675547105992490387286011753.2351133476900
22 × 52 × 1063 × 10663
2014-09-111063106630.00030.00030.0004
46755475526290558800769907612168.90559097797100540
22 × 34 × 5 × 11 × 3316374697
2019-03-2681331637469714.57534.49664.429

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4675547141056888408569389773821961992993.510
467554773544960385193078318532682470203933109.180
4675547585745298931040037043274411346345536137122.140
4675547779521350666090776493578254299829381719321231743949162.415
P-1 results:
No P-1 results for M4675547


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-09-11T11:53:00TJAOIManual testing253254*53.235178.22131e-51.3170.000


ECM factoring results:

Old Calculation Method

Total ECM effort:0.394 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.394 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.394


Lucas-Lehmer results:
No L-L results for M4675547


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:29:50kkmrkkblmbrbkManual testing
1330819644799
10599249038728601
1881C047AA5480__no
2018-03-07T17:28:36Oliver KruseGTX-5
1330819644799
10599249038728601
1881C047AA5480__no
2019-03-27T03:14:03_p95holder_TFL16_PRPt11-E_b
1330819644799
10599249038728601
552629055880076990761
D351BD1313059EDBno
2019-03-27T21:01:54kkmrkkblmbrbkc5.large
1330819644799
10599249038728601
552629055880076990761
D351BD1313059EDBno


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
254
240
250
260
270
280
290
2100
Last modified: 2019-03-27T21:01:54+00:00