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Greatest common divisor

  1. Aug 19, 2010 #1
    1. The problem statement, all variables and given/known data

    (1). If gcd(a,b) = d , gcd(a/d,b/d)=1

    (2). If gcd(a,b) = d , then gcd(m,n) = 1 , where dm=a, dn=b
    (i don't know wether this statement is correct)

    2. Relevant equations

    n/a

    3. The attempt at a solution

    i kow how to prove (1) and (2), but i only proof (2) using (1), my professor applying that (2) without us knowing what (1) is. seeming that they are other direct and obvious ways for proving (2),
    so is there any??? i can't see T_T
     
  2. jcsd
  3. Aug 19, 2010 #2

    HallsofIvy

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    Staff Emeritus
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    (1) and (2) says exactly the same thing. The same proof will work for both.
     
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