Explain when you would use each method (finding multiples or prime factorization) for finding the LCM and shy

Question

Mathematics

Alaina Woodard

10 September, 08:31

Explain when you would use each method (finding multiples or prime factorization) for finding the LCM and shy

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Answers (1)

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Raelynn Armstrong · Answer 1

For example, the LCM of 10, 30, 45 is 5.

List out the prime factorization of all 3 numbers.

10=2*5

30=2*3*5

45=3*3*5

As you can see, in all 3 prime factorizations, 5 is the biggest, and the only prime number present in all of the listed prime factorizations. Hope this answers your question!