is 2 20362523 - 1
has 6129731 decimal digits
takes 14.431 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
Actual2671.459262.6866 %----1.459262.6866 %
Target2695.863163.7681 %150000225000001.40543.7679 %7.268565.1333 %
Difference-2-4.4038-1.0815 %-150000-22500000-1.4054-3.7679 %-5.8092-2.4467 %

Known prime factors (2 factors, 95.0 bits, 0.00046644% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
20362523361726374579371445.040888216
23 × 3 × 7 × 17 × 311
2011-06-16173112.888e-73.393e-53.555e-5
2036252310787621596899531649.93826488912
24 × 1655557
2011-06-161616555575.638e-60.09270.1731

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-16AxonManual testing2994.9780.9410.000%


Trial Factoring results:
57585960616263646566676869
No TF results for M20362523


ECM factoring results:
No ECM results for M20362523


Lucas-Lehmer results:
No L-L results for M20362523


PRP results:
No PRP results for M20362523


CERT results:
No CERT results for M20362523


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00