Let p be an odd prime. Suppose p5 mod 8. Show p-1 p? – 1 mod 2. 5

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.5: Congruence Of Integers
Problem 35E
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Involving the law of quadratic reciprocity

Let p be an odd prime. Suppose pe5 mod 8. Show
p-1
p2 - 1
mod 2.
5
Transcribed Image Text:Let p be an odd prime. Suppose pe5 mod 8. Show p-1 p2 - 1 mod 2. 5
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