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Math Help - Natural Number

  1. #1
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    Natural Number

    Prove that there are no natural numbers n>1 such that is prime.
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  2. #2
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    Re: Natural Number

    Disregard. I found a solution from 2008 in this thread.
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  3. #3
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    Re: Natural Number

    Could you post the link to the solution?
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  4. #4
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    Re: Natural Number

    Absolutely. It's an ingenious approach as well.

    Show that n^5 + n^4 + 1 is not prime for n>1
    Thanks from emakarov
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