Prime numbers get a lot of attention in Cody, while composite numbers get relatively little. Right now a search for "prime" on Cody yields 153 problems, while a search for "composite" yields only 27--and only eight of those deal with composite numbers. Let's work toward restoring the balance.
Write a function to list the composite numbers less than or equal to the input number. Remember that 1 is neither prime nor composite.
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Last Solution submitted on Jan 30, 2026

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Matthew Bolyard 宣余 晨哲 董济川

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