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You are watching: What is the least common multiple of 15 and 21

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We think you wrote:

lcm(15,21,24)

This deals with the least common multiple (LCM) by prime factorization.


1. discover the prime factors of 15

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Determine the maximum variety of times every prime aspect (2, 3, 5, 7) wake up in the administrate of the given numbers: