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The Least Common Multiple (LCM) of 6, 7, and 21 is the smallest multiple that is divisible by all three numbers. To find the LCM, you need to factorize each number into its prime factors: 6 = 2 x 3, 7 = 7, and 21 = 3 x 7. Then, you take the highest power of each prime factor that appears in any of the factorizations: 2 x 3 x 7 = 42. Therefore, the LCM of 6, 7, and 21 is 42.

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The Least Common Multiple (LCM) of 6, 7, and 21 is 42.

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Wiki User

13y ago
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Q: What is the LCM of 6 7 and 21?
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