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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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Wiki User

13y ago

The LCM is 315.

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Wiki User

7y ago

315

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Q: What is the lcm of 9 21 15 and 35?
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