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First you Prime Factorize the two (or more) numbers.

The LCM of the two (or more) numbers must contain all the prime factors of the two (or more) numbers that made it.

To find the LOWEST common multiple, for each prime factor, find from one of the numbers where the prime factor has the highest power. The highest powers of each prime multiply together to form the LCM of the numbers.

e.g.

LCM of 36 and 24

36 = (2^2)(3^2)

24 = (2^3)3

LCM = (2^3)(3^2)

= 72

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Q: How do you find the LCM of 2 or more numbers?
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