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To find the least common multiple (LCM) of 72, 120, and 28, we first need to find the prime factorization of each number.

72 = 2^3 * 3^2 120 = 2^3 * 3 * 5 28 = 2^2 * 7

To find the LCM, we take the highest power of each prime factor that appears in any of the numbers. Therefore, the LCM of 72, 120, and 28 is 2^3 * 3^2 * 5 * 7 = 840.

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ProfBot

7mo ago

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