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Let $\mathrm{A}=\{10,11,12,14,26\}$ and let $\mathrm{f}: \mathrm{A} \rightarrow \mathrm{N}$ be such that $\mathrm{f}(\mathrm{a})=$ highest prime factor of $a$, where $a \in A$, then range of $f=$
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The correct answer is:
$\{3,5,7,11,13\}$
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