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Suppose $H$ and $K$ are subgroups of a finite group $G$.

If $|H|=h$ and $|K|=k$, what is the minimum possible order of $G$?

$h+k$

$hk$

$\textrm{gcd}(h,k)$

$\textrm{lcm}(h,k)$

None of the above.