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Math Help - Prime number proof

  1. #1
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    Prime number proof

    If p is prime, can (p-1)! ever be a multiple of p? After running several scenarios, I don't think that it can be, but I don't see a way to prove this. Can anyone offer a hint? I'm stuck!

    Thanks.
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  2. #2
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    Re: Prime number proof

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  3. #3
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    Re: Prime number proof

    wilsons theorem may also help.
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  4. #4
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    Re: Prime number proof

    Thanks for your help!
    Last edited by joatmon; February 29th 2012 at 01:57 PM.
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