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You are watching: What is the lcm of 3 9 and 15

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### lcm(3,9,15)

This encounters the least usual multiple (LCM) by prime factorization.

## 1. discover the prime determinants of 3

## 2. discover the prime components of 9

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The prime determinants of 9 space 3 and also 3.

Determine the maximum number of times every prime element (3, 5) wake up in the factorization of the given numbers: