is 2 80672491 - 1
has 24284840 decimal digits
takes 251.737 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
Actual2670.368359.7015 %----0.368359.7015 %
Target27594.851564.0000 %5000008500000023.09323.7867 %117.944765.3632 %
Difference-8-94.4832-4.2985 %-500000-85000000-23.0932-3.7867 %-117.5764-5.6617 %

Known prime factors (2 factors, 96.5 bits, 0.00011967% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
80672491634085779271135.884393
3 × 131
2007-08-1131316.157e-114.513e-56.224e-5
8067249118131548857705249371960.65311237751948
22 × 3 × 59 × 15872531
2016-02-2459158725310.00353.91317.3082

1 Composite Factors:
P-1 results:
No P-1 results for M80672491


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2016-02-24TJAOIManual testing260261*
60.653
19
0.001


ECM factoring results:
No ECM results for M80672491


Lucas-Lehmer results:
No L-L results for M80672491


PRP results:
No PRP results for M80672491


CERT results:
No CERT results for M80672491


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
this exponent TF target: 75
TF double-checked to: 67
250
260
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280
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Last modified: 2024-03-13T02:15:48+00:00