Prove that Zn has an even number of generators if n > 2.
Chapter 4, Problem 68E(choose chapter or problem)
Problem 68E
Prove that Zn has an even number of generators if n > 2. What does this tell you about Φ (n)?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer