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You can factor 540 into prime factors. Then, for each prime factor that doesn't appear 3, 6, 9, ... times, add additional factors to complete a multiple of 3. These factors will make up the number "k".

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โˆ™ 2012-04-16 13:23:29
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โˆ™ 2023-02-02 19:16:43

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Q: What is the smallest integer k such that 540k is a cube number?
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