lbaejk9171 lbaejk9171 18-01-2023 Mathematics contestada let $s$ be a subset of $\{1, 2, 3,\dots, 1000\}$ so that, if $a$ and $b$ are any (not necessarily distinct) elements of $s$, then their product, $ab$, is not an element of $s$. what is the maximum number of elements of $s$?
