is 2 43573501 - 1
has 13116931 decimal digits
takes 66.510 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
Actual2681.367961.7647 %----1.367961.7647 %
Target27221.947663.8889 %300000500000006.65703.9682 %28.604665.3219 %
Difference-4-20.5797-2.1242 %-300000-50000000-6.6570-3.9682 %-27.2367-3.5572 %

Known prime factors (1 factor, 74.3 bits, 0.00017049% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
43573501230956040132808943000632374.290265018916121531
3 × 113 × 13 × 89 × 1051 × 54581
2009-08-16133154581167.460.00940.0123

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-08-16wuxiaoDNE_Sheep2374.2901.2590.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-09-13ComputerraRUv4_computers2622670.668
2007-09-13tmorrowv4_computers212680.686


ECM factoring results:
No ECM results for M43573501


Lucas-Lehmer results:
No L-L results for M43573501


PRP results:
No PRP results for M43573501


CERT results:
No CERT results for M43573501


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
268
267
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00