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seen Oct 10 '12 at 5:31

Oct
17
awarded  Student
Oct
9
comment If $a, b \in \mathbb{N}$ are relatively prime and $a < b$, then $ka$ can't be a multiple of $b$ for $k < a$.
I also just realized that my statement follows from the fact lcm(a, b) = ab.
Oct
9
asked If $a, b \in \mathbb{N}$ are relatively prime and $a < b$, then $ka$ can't be a multiple of $b$ for $k < a$.