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What is the least common multiple of 9 12 and15?

Updated: 9/16/2023

Wiki User

∙ 15y ago

Best Answer

The LCM of 9,12, and 15 is 180.

Let's use prime factorization to see why?

9=32,
12=22 x3
15=3x5.

To find the LCM take 32 , 22 , and 5.
9x4x5=180 which is the answer. Note we took the largest exponent of each of the factors and their product is the LCM.

Wiki User

∙ 15y ago

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