What is a Quadratic Residue? - Definition and Example

Quadratic residues are an important part of elementary number theory. Here we explain the definition of a quadratic residue mod p, go through an example of finding quadratic residues, and note one basic property. Quadratic Residues playlist:    • Quadratic Residues   0:00 Definition 1:06 Example 2:48 Symmetry of squares mod p Subscribe to see more new math videos! Music: OcularNebula - The Lopez