If True explain show why and if false give a counterexameple.

For All , if n is not prime, then neither is .

How would I go about figuring this out? Is there a forumula or do I just plug numbers in?

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- Feb 11th 2009, 07:51 AMEdbaseball17True or False Statement?
If True explain show why and if false give a counterexameple.

For All , if n is not prime, then neither is .

How would I go about figuring this out? Is there a forumula or do I just plug numbers in? - Feb 11th 2009, 09:04 AMclic-clac
Hi!

A useful formula:

Let be a positive integer with

Hence