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To find the Least Common Multiple (LCM) of 18, 30, and 42, we first need to find the prime factorization of each number.

18 = 2 * 3^2 30 = 2 * 3 * 5 42 = 2 * 3 * 7

Then, we take the highest power of each prime factor that appears in any of the numbers.

2^1 * 3^2 * 5^1 * 7^1 = 2 * 3^2 * 5 * 7 = 630

Therefore, the LCM of 18, 30, and 42 is 630.

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More answers

It is: 630

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Wiki User

10y ago
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630

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Wiki User

8y ago
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Q: What is the LCM of 18 30 and 42?
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