is 2 5032427 - 1
has 1514912 decimal digits
takes 0.698 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2675.904565.6716 %5000010000000.02052.2311 %5.924966.4375 %
Target2651.449764.6154 %3400035000000.04482.4186 %1.494565.4712 %
Difference+2+4.4548+1.0563 %+16000-2500000-0.0243-0.1875 %+4.4304+0.9663 %

Known prime factors (4 factors, 187.2 bits, 0.00372003% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5032427885707153929.72288
23 × 11
-8111.448e-111.641e-63.272e-6
5032427358812045111135.0633565
5 × 23 × 31
2008-09-0823311.611e-94.710e-69.408e-6
503242760778335930121611652.432603867040
25 × 5 × 7 × 539167
2014-08-09325391670.00010.00590.0110
503242711728461823662209669512269.991116528881826425
52 × 41 × 113686713977
2019-09-284111368671397724.4691,244.92,325.1

11 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-05-11This -Anonymous-Manual testing500001000000
skipped known factor: 885707153
skipped known factor: 35881204511
skipped known factor: 6077833593012161
--0.0202.866%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-08Will EdgingtonManual testing??
35.063
11
2014-08-09ANONYMOUSManual testing??
52.432
16
0.000


ECM factoring results:
Total ECM effort:0.698 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.698


Lucas-Lehmer results:
No L-L results for M5032427


PRP results:
dateuseridcompidcofactorsres64
2017-11-23Oliver KruseGTX-0
885707153
35881204511
6077833593012161
0D042F4BC539C51C
2018-01-16kkmrkkblmbrbkc4.xlarge
885707153
35881204511
6077833593012161
0D042F4BC539C51C
2019-10-03roemer2201ws-rebentrost-o
885707153
35881204511
6077833593012161
1172846182366220966951
0D042F4BC539C51C


CERT results:
No CERT results for M5032427


P-1 factor-bounds graph:
B1 = 50000, B2 = 1000000 (P-1 stage 2)
B1 = 50000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
this exponent TF target: 65
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00