Primitive Roots & Indices - Lecture 7 📘

In this video, I am stating and proving the theorems for existence of primitive roots for composite moduli. This is part-1, the second video (part-2) will state other remaining results in this connection.
For other videos on Primitive Roots, follow the link:
https://www.youtube.com/playlist?list=PLLtQL9wSL16iRzTi2aKPiHO1f1UjTTkJD