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2018-03-15, 15:33   #9
VBCurtis

"Curtis"
Feb 2005
Riverside, CA

4,363 Posts

Quote:
 Originally Posted by JeppeSN I should have said I was interested in odd primes only (and the number 1 is not prime). /JeppeSN
Your OP never mentioned a and b should be prime. I don't see why "1 is not prime" is relevant. Do you mean to now require a>b>1?