is 2 4664669 - 1
has 1404206 decimal digits
takes 0.614 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
Actual2676.370065.6716%----6.370065.6716%0.0000%
PrimeNet2610.065962.2951%200004000000.00783.1180%0.073663.4707%1.1756%
GPU722651.564064.6154%300006000000.01172.2298%1.575765.4044%0.7890%
Difference+2+4.8060+1.0563%-30000-600000-0.0117-2.2298%+4.7943+0.2673%+0.2673%

Known prime factors (2 factors, 104.2 bits, 0.00223374% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
46646692089305245111237.60422395
3 × 5 × 1493
-514937.251e-91.643e-52.907e-5
46646691112631529587745397212166.59311926157349940
22 × 5 × 596307867497
2019-03-1855963078674975.77366,202.611,585

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
46646692324626890642438614370113360143132104.197
P-1 results:
No P-1 results for M4664669


Trial Factoring results:
No TF results for M4664669


ECM factoring results:

Old Calculation Method

Total ECM effort:0.197 GHz-days
Estimated T-Level:0.050
DigitsB1CurvesCompleteFacMiss
20110001 / 1000.01099.000%
25500001 / 2800.00499.643%

New Calculation Method

Total ECM effort:0.197 GHz-days
Estimated T-Level:0.050
DigitsB1CompleteFacMiss
20110000.03296.826%
25500000.00399.709%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.197


Lucas-Lehmer results:
No L-L results for M4664669


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:44:58kkmrkkblmbrbkManual testing
208930524511
86C630A20E577F__no
2018-03-04T13:49:10ATHec2-1xf
208930524511
86C630A20E577F__no
2019-03-19T21:24:44artorollofourth
208930524511
111263152958774539721
A61DDCCF9478F263no
2019-03-19T22:20:01ATHec2-PRPCFDC
208930524511
111263152958774539721
A61DDCCF9478F263no


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2019-03-19T22:20:01+00:00