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Math Help - show the number is not integer

  1. February 26th 2008, 12:06 PM #1
    mandy123
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    show the number is not integer

    Let n be a positive integer. Show that the number S=1+1/2+1/3+...+1/n is not an integer.
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  2. February 26th 2008, 12:27 PM #2
    Jhevon
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by mandy123 View Post
    Let n be a positive integer. Show that the number S=1+1/2+1/3+...+1/n is not an integer.
    this was a problem of the week (we need n \ge 2), see here
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« Prove | field of Integers »

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