Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

I Can I get Help with Number Theory?

  1. Feb 2, 2017 #1
    I need help to prove the following: Let n be a natural number such that n is odd; prove that the integer a is a Fermat witness for n if and only if n-a is a Fermat witness for n.

    If need be, I can explain what a Fermat witness is.
  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted