## Elementary Algebra

Published by Cengage Learning

# Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.2 - Prime and Composite Numbers - Problem Set 1.2 - Page 12: 18

True

#### Work Step by Step

The prime factorization of 91 is: $91=7 \times 13$ Thus, 7 is a prime factor of 91. Therefore, the given statement is true.

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