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Computational Number Theory is for explicit calculations or algorithms involving anything of interest to number theorists.

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Can four integer numbers $x$, $y$, $x-y$, $x+y$ be powerful numbers where $\gcd(x,y)=1$?

Can four integer numbers $x$, $y$, $x-y$, $x+y$ be powerful numbers where $\gcd(x,y)=1$ ?
Đào Thanh Oai's user avatar