The septic character of 2, 3, 5 and 7

Philip A. Leonard and Kenneth S. Williams

Vol. 52 (1974), No. 1, 143–147

DOI: 10.2140/pjm.1974.52.143

Abstract

Necessary and sufficient conditions for 2, 3, 5, and 7 to be seventh powers ( mod p)( p a prime ≡ 1 (mod7)) are determined.

Mathematical Subject Classification

Primary: 10A10

Milestones

Received: 2 October 1973

Revised: 17 December 1973

Published: 1 May 1974