I'd like to prove that for $n$ an odd, positive, square-free integer, there exists an odd prime $p$ with $\left( \frac{n}{p} \right) = -1$
I'm drawing a complete blank here. Any help would be appreciated!
Thanks
I'd like to prove that for $n$ an odd, positive, square-free integer, there exists an odd prime $p$ with $\left( \frac{n}{p} \right) = -1$
I'm drawing a complete blank here. Any help would be appreciated!
Thanks