Suppose p and q are distinct primes such that ordp a = h and ordq a = k Prove that ordpq a= lcm(h, k) (just check the two conditions of order)
Suppose p and q are distinct primes such that ordp a = h and ordq a = k Prove that ordpq a= lcm(h, k) (just check the two conditions of order)
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.6: Congruence Classes
Problem 23E
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In this problem, you can assume the following fact about least common multiples (lcm): FACT: If h, ? are integers such that h|t and ?|t, then lcm(h, ?)|t
Now prove the following:
Suppose p and q are distinct primes such that ordp a = h and ordq a = k
Prove that ordpq a= lcm(h, k) (just check the two conditions of order)
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