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To find the Least Common Multiple (LCM) of 18, 24, and 42, we first need to find the prime factorization of each number. The prime factorization of 18 is 2 x 3^2, 24 is 2^3 x 3, and 42 is 2 x 3 x 7. To find the LCM, we take the highest power of each prime factor that appears in any of the numbers: 2^3 x 3^2 x 7 = 504. Therefore, the LCM of 18, 24, and 42 is 504.

Q: What is the LCM of 18 and 24 and 42?

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prime factors of 18 are 2 and 32 prime factors of 24 are 23 and 3 prime factors of 42 are 2, 3 and 7 LCM = 23*32*7 = 504

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