SOLUTION: The positive integers p,q & r are all prime no.s if p^2-q^2=4,then find all posible values of r?

Question 432962: The positive integers p,q & r are all prime no.s if p^2-q^2=4,then find all posible values of r?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
There's no reference to r in your equation ; implies that r can be any prime.
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