Find the LCM of 18 and 20

1 answer

The prime factorization of 18 is 2 * 3^2.
The prime factorization of 20 is 2^2 * 5.

To find the LCM, we need to consider all the prime factors and their highest powers in both numbers.

The LCM of 18 and 20 will be 2^2 * 3^2 * 5 = 180.

So, the LCM of 18 and 20 is 180.

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