2² x 5 = 20
2^2 x 5^1
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LCM problems are most easily done by finding the prime factorization of the two numbers:18 = 2 * 3^220 = 2^2 * 5The LCM is the product of every prime raised to the highest exponent that appears.LCM (18, 20) = 2^2 * 3^2 * 5 = 180
Well, darling, the LCM of 6, 15, and 20 is 60. It's like finding the smallest number that all three of these numbers can divide into evenly without leaving any remainders. So, there you have it, 60 is the magic number in this case.
the exponent is 2, expressed as twenty, squared or 20 X 20.
80 / \ 40 2 / \ 20 2 / \ 10 2 / \ 5 2 24*5
The prime factorization of 80 is: 2 x 2 x 2 x 2 x 5