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Prove the following: a. b. If p is a prime, phi(p) = p - 1. b. If p and q are two distinct primes, phi(pq)
Prove the following: a. b. If p is a prime, phi(p) = p - 1. b. If p and q are two distinct primes, phi(pq) = (p - 1)(q - 1)
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