Let phi(n) be the number of integers less than or equal to n that are relatively prime to n. Prove or Disprove: If phi(m)|phi(n), then m|n.
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Originally Posted by mndi1105 Let phi(n) be the number of integers less than or equal to n that are relatively prime to n. Prove or Disprove: If phi(m)|phi(n), then m|n. Take m=2 and n=3.
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