I'm trying to solve some problem, but I don't have any good idea to do it :(

Prove that a^{2}+b^{3}+c^{6}, where a,b,c are positive integers, is always composite number. Thanks for all help :)

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- December 1st 2012, 09:08 AMaleschioProve that it is composite number
I'm trying to solve some problem, but I don't have any good idea to do it :(

Prove that a^{2}+b^{3}+c^{6}, where a,b,c are positive integers, is always composite number. Thanks for all help :) - December 1st 2012, 09:16 AMPlatoRe: Prove that it is composite number
- December 2nd 2012, 10:46 AMaleschioRe: Prove that it is composite number
And what if a,b and c is different from 1?