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The LCM is the product of all the prime factors of the numbers to their greatest power. To find the LCM of a group of numbers, 27, 30, 12, and 8, for example, first find their prime factors:

Prime factors of 27 are 33

Prime factors of 30 are 2 x 3 x 5

Prime factors of 12 are 22 x 3

Prime factors of 8 are 23

The LCM of 27, 30, 12, and 8 is 23 x 33 x 5 = 8 x 27 x 5 = 1,080

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Q: How do you find the LCM out of prime factorization?

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