is 2 22308971 - 1
has 6715670 decimal digits
takes 16.267 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
Actual2671.331962.6866 %----1.331962.6866 %
Target2695.351563.7681 %170000250000001.61013.9746 %6.961665.2082 %
Difference-2-4.0196-1.0815 %-170000-25000000-1.6101-3.9746 %-5.6296-2.5216 %

Known prime factors (2 factors, 74.2 bits, 0.00033262% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2230897144617943825.4111
1
2011-06-26112.004e-131.057e-62.152e-6
223089714873903359488811548.79210923640
23 × 5 × 7 × 13 × 3001
2011-06-261330012.394e-60.00020.0003

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-26AxonManual testing2374.2030.9410.000%


Trial Factoring results:
57585960616263646566676869
No TF results for M22308971


ECM factoring results:
No ECM results for M22308971


Lucas-Lehmer results:
No L-L results for M22308971


PRP results:
No PRP results for M22308971


CERT results:
No CERT results for M22308971


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
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Last modified: 2024-03-13T02:15:48+00:00