is 2 22972853 - 1
has 6915518 decimal digits
takes 17.457 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
Actual2671.293462.6866 %----1.293462.6866 %
Target2695.196963.7681 %170000250000001.67793.9903 %6.874865.2139 %
Difference-2-3.9034-1.0815 %-170000-25000000-1.6779-3.9903 %-5.5813-2.5273 %

Known prime factors (2 factors, 89.7 bits, 0.00039055% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
229728538812386410811239.68119180
22 × 5 × 7 × 137
2011-06-2971373.671e-91.552e-51.570e-5
2297285311572796616509991650.04025187983
25187983
2011-06-291251879831.269e-51.51212.8241

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-29AxonManual testing2889.7200.9410.000%


Trial Factoring results:
57585960616263646566676869
No TF results for M22972853


ECM factoring results:
No ECM results for M22972853


Lucas-Lehmer results:
No L-L results for M22972853


PRP results:
No PRP results for M22972853


CERT results:
No CERT results for M22972853


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67
250
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270
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Last modified: 2024-03-13T02:15:48+00:00