Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - Get Ready! - Page 1: 7



Work Step by Step

You can solve this question by listing the prime factorization of both numbers. The first number is 8. The prime factorization is $2^3$. The second number is 9. The prime factorization of 9 is $3^2$. Looking at this you can see that they have no factors in common, and therefore the least common multiple is the two numbers multiplied by each other, which equals 72.
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