2 problems

Let $p$ and $q$ be distinct odd positive primes. The Legendre symbol $\left(\frac{a}{p}\right)$ records whether $a$ is a quadratic residue modulo $p$. Euler's law of quadratic reci…

Let ${\mathcal{P}^{\operatorname{full}}}$ be a primitive integral packing, and let $\Sigma$ be the union of the residue classes modulo $24$ that have representatives in…