Let r be a primitive root of the prime p with p ≡ 1 (mod 4). Show that −r is also a primitive root of p.
Let r be a primitive root of the prime p with p ≡ 1 (mod 4). Show that −r is also a primitive root of p.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.4: Prime Factors And Greatest Common Divisor
Problem 34E
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Let r be a primitive root of the prime p with p ≡ 1 (mod 4). Show
that −r is also a primitive root of p.
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