For n an even integer, n > 2, 2n 1 is not prime
Chapter 2, Problem 68(choose chapter or problem)
For n an even integer, n > 2, 2n 1 is not prime
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