[SOC] A little math problem

[Fred Jensen]

Richard HIll wrote:
> Well, Fred, to a biologist it is divisible by 123456789 within significant
> digits, but I'm only counting fingers so that is 8 digits and two thumbs.
> 
> Rich NU6T
> #612

Unfortunately, factoring is a problem in the natural numbers [i.e. 
positive integers], and few if any calculators ... or human hands ... 
handle 17-digit integers.  It's really more of a arithmetic 
visualization problem than a straight out math problem.

Fred K6DGW
#633