For which odd primes p is 5 a square mod p?

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 37E
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___Number Theory__

For which odd primes p is 5 a square mod p?
For which odd primes p is 3 a square mod p?
Transcribed Image Text:For which odd primes p is 5 a square mod p? For which odd primes p is 3 a square mod p?
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