How do you find the Least common multiple of 15, 6?

1 Answer
sjc
Dec 3, 2016

lcm(6,15)=30

Explanation:

list multiples of each number and pick out teh common ones.

multiples 6:{6,12,18,24,30,36,42,48,60, ...}

multiples of 15:{15,30,45,60,75,..}

the common multiples are seen to be :{30,60,..}

lcm(6,15)=30

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