I didn't have any idea that there was so much to say about divisibility!
As someone pointed out, the ambiguity in my original posting reflected
the fact that there is clearly a divisibility test for any whole
number - the long division algorithm.
But others noted that there are other divisibility algorithms for
any whole number - and they noted how to create them.
Thank you!
Now, does anyone know of a quick way to factor an arbitrary whole
number? ... Don't bother the list with that one, just send to me. :-)
Phil Mahler
Middlesex CC
Bedford, MA
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