# Chapter 1 - Introduction to Algebraic Expressions - Study Summary - Practice Exercises - Page 73: 9

$84=2^2\cdot3\cdot7$

#### Work Step by Step

Repeatedly factoring the smallest prime factor from the composite factor, the factors of $84$ are \begin{array}{l}\require{cancel} 84=2(42) \\\\ 84=2(2)(21) \\\\ 84=2(2)(3)(7) .\end{array} Hence, the prime factorization of $84$ is $84=2^2\cdot3\cdot7 .$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.