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Math Help - Prime

  1. #1
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    Prime

    Which positive integers less than 12 are relatively prime to 12?
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    MHF Contributor Also sprach Zarathustra's Avatar
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    |\{5, 7, 11\}|=3=\phi(12)
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    MHF Contributor undefined's Avatar
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    Quote Originally Posted by Also sprach Zarathustra View Post
    |\{5, 7, 11\}|=3=\phi(12)
    Actually {1,5,7,11}
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    Quote Originally Posted by ilovemymath View Post
    Which positive integers less than 12 are relatively prime to 12?
    Do you know the meaning of relatively prime? Can you list the natural numbers that are less than 12? Where are you stuck here?
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