is 2 22135877 - 1
has 6663563 decimal digits
takes 16.141 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
Actual2671.342362.6866 %----1.342362.6866 %
Target2695.393463.7681 %170000250000001.61013.9704 %7.003465.2067 %
Difference-2-4.0510-1.0815 %-170000-25000000-1.6101-3.9704 %-5.6611-2.5201 %

Known prime factors (2 factors, 71.3 bits, 0.00032212% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
22135877177087017927.4004
22
2011-06-25448.084e-134.229e-68.607e-6
22135877164504983513211443.903371580
22 × 3 × 5 × 11 × 563
2011-06-25115637.562e-84.343e-56.042e-5

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-25AxonManual testing2271.3030.9410.000%


Trial Factoring results:
57585960616263646566676869
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-04-10Thomas Mullenv4_computers2562570.000


ECM factoring results:
No ECM results for M22135877


Lucas-Lehmer results:
No L-L results for M22135877


PRP results:
No PRP results for M22135877


CERT results:
No CERT results for M22135877


P-1 factor-bounds graph:
100
101
102
100
101
102
103
TF factor-bounds graph:
257
this exponent TF target: 69
TF double-checked to: 67
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00