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Math Help - p divides (a+b)

  1. #1
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    p divides (a+b)

    Does p|(a+b) → p|a and p|b ?
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  2. #2
    Senior Member jakncoke's Avatar
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    Re: p divides (a+b)

    5 divides 2 + 3, 5 divides neither 2 nor 3.
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  3. #3
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    Re: p divides (a+b)

    Thanks. Yeah, it was a dumb question. The reason I asked is a^2 + b^2 =3c^2.
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