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You are watching: What is the lcm of 3 9 and 15
We think you wrote:
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: