Prove that φ (n) + σ (n) = nƬ(n) if and only if n is a prime.
B bean_bag New member Joined Aug 31, 2012 Messages 2 Sep 1, 2012 #1 Prove that φ (n) + σ (n) = nƬ(n) if and only if n is a prime.
L lookagain Elite Member Joined Aug 22, 2010 Messages 3,251 Sep 1, 2012 #2 bean_bag said: Prove that φ (n) + σ (n) = nƬ(n) if and only if n is a prime. Click to expand... Please go here: http://www.freemathhelp.com/forum/threads/41539-Read-Before-Posting!! You could start by defining each of those three functions in your problem statement as best you know.
bean_bag said: Prove that φ (n) + σ (n) = nƬ(n) if and only if n is a prime. Click to expand... Please go here: http://www.freemathhelp.com/forum/threads/41539-Read-Before-Posting!! You could start by defining each of those three functions in your problem statement as best you know.