Hi. Can anybody prove that? Let its prime. and if its not prime Thanks
Last edited by asub1; Dec 3rd 2008 at 01:02 PM.
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Originally Posted by asub1 its prime. This should be clear. If is prime then show no non-trivial factors with . Thus, . if its not prime If is not prime then where . Therefore, we are able to find among . Thus, and so .
Hi! If n is not prime then where . Therefore, we are able to find among . Thus, and so . What about ? where . we are able to find among , but... and the other ? Can you prove? Thanks
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