AMC 12 2019a Problem 13
- Paper
How many ways are there to paint each of the integers either red, green, or blue so that each number has a different color from each of its proper divisors?
\textbf{(A)}\ 144 \textbf{(B)}\ 216 \textbf{(C)}\ 256 \textbf{(D)}\ 384 \textbf{(E)}\ 432
Dataset text AMC 12 2000 to 2025. Quoted with source.
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E
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