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?

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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) About Me  (Show Source):
You can put this solution on YOUR website!
There's no reference to r in your equation p%5E2+-+q%5E2+=+4; implies that r can be any prime.