Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.2 - Prime and Composite Numbers - Problem Set 1.2: 45

Answer

$49=7\times7$

Work Step by Step

The number $49$ is the perfect square of $7$. Since $7$ is a prime number, we can write the prime factorization of $49$ as $7\times7$
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