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Least common multiple 12 and 9

What is the least common multiple of 12 and 9?

How do you find out the least common multiple (LCM) of 12 and 9?

Problem. Find the least common multiple of the numbers 12 and 9.

Solution.

We use the formula to calculate least common multiple.

See Least common multiple. Formula.

The product of the numbers 12 and 9 are

9 * 12 = 108

The greatest common factor between the numbers 12 and 9 is 3.

See Find the greatest common factor of 9 and 12.

The least common multiple (lcm) of 12 and 9:

lcm(12, 9) =
108 ÷ 3 = 36

The answer:

lcm(9, 12) = 36