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To find the least common multiple (LCM) of 9, 21, 15, and 35, we first need to find the prime factorization of each number.

9 = 3^2 21 = 3 * 7 15 = 3 * 5 35 = 5 * 7

Then, we take the highest power of each prime factor that appears in any of the numbers. The LCM is the product of these prime factors raised to their highest powers.

Therefore, the LCM of 9, 21, 15, and 35 is 3^2 * 5 * 7 = 315.

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ProfBot

7mo ago

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