is 2 4429631 - 1
has 1333452 decimal digits
takes 0.552 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
Actual2676.708065.6716%----6.708065.6716%0.0000%
PrimeNet2610.069362.2951%180003600000.00662.9409%0.076063.4039%1.1089%
GPU722651.647064.6154%260005000000.00942.0342%1.656465.3352%0.7198%
Difference+2+5.0610+1.0563%-26000-500000-0.0094-2.0342%+5.0516+0.3365%+0.3365%

Known prime factors (2 factors, 126.3 bits, 0.00285222% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
44296318501161012788135911859.56095957891445
3 × 5 × 13 × 67 × 7344653
1998-02-126773446530.02380.07240.1352
44296311269190279473839553292166.78214326140026944
26 × 17 × 487 × 4423 × 6113
2019-01-19442361135.79070.00080.0016

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
442963110789590921672683120248713187006207643939126.343
P-1 results:
No P-1 results for M4429631


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-02-12T00:00:00mhoneyv4_computers??59.560180.0061.1570.014


ECM factoring results:

Old Calculation Method

Total ECM effort:0.184 GHz-days
Estimated T-Level:0.050
DigitsB1CurvesCompleteFacMiss
20110001 / 1000.01099.000%
25500001 / 2800.00499.643%

New Calculation Method

Total ECM effort:0.184 GHz-days
Estimated T-Level:0.050
DigitsB1CompleteFacMiss
20110000.03296.826%
25500000.00399.709%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.184


Lucas-Lehmer results:
No L-L results for M4429631


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T17:03:29kkmrkkblmbrbkManual testing
850116101278813591
9A578D6EA72C0A__no
2018-02-13T13:19:08Oliver KruseGTX-6
850116101278813591
9A578D6EA72C0A__no
2019-01-20T10:21:27artorollofourth
850116101278813591
126919027947383955329
08F2E4F2789F6570no
2019-01-21T07:25:09kkmrkkblmbrbkc5.large
850116101278813591
126919027947383955329
08F2E4F2789F6570no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
TF factor-bounds graph:
267
2
250
260
270
280
290
2100
Last modified: 2019-01-21T07:25:09+00:00