is 2 21634549 - 1
has 6512649 decimal digits
takes 15.332 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
Actual2671.373462.6866 %----1.373462.6866 %
Target2695.518363.7681 %160000225000001.41513.8379 %6.933565.1587 %
Difference-2-4.1449-1.0815 %-160000-22500000-1.4151-3.8379 %-5.5600-2.4721 %

Known prime factors (2 factors, 79.2 bits, 0.00036607% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2163454915576875291030.53736
22 × 32
2011-06-23996.663e-129.248e-61.882e-5
216345494452545952952811548.66210290360
23 × 3 × 5 × 29 × 2957
2011-06-232929572.341e-60.00020.0003

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-23AxonManual testing2479.1980.9410.000%


Trial Factoring results:
57585960616263646566676869
No TF results for M21634549


ECM factoring results:
No ECM results for M21634549


Lucas-Lehmer results:
No L-L results for M21634549


PRP results:
No PRP results for M21634549


CERT results:
No CERT results for M21634549


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67
250
260
270
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00