nontrivial value for prime results because f(a,b) = -f(a+b,a).

Also for composites of two different primes (+/-1)mod 10 there are two

nontrivial solutions. Also for 3 different primes of same form there are

4 nontrivial solutions etc etc

_________________________________________________________________________

Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com