# The Group of Units in $$Z_m$$

by David J. Devries (Georgia College)

Mathematics Magazine
December, 1989

Subject classification(s): Groups
Applicable Course(s): 4.2 Mod Algebra I & II

The author presents an elementary proof of a key part of the Primitive Root theorem.

A pdf copy of the article can be viewed by clicking below. Since the copy is a faithful reproduction of the actual journal pages, the article may not begin at the top of the first page.