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 - 1-2 Order of Operations and Evaluating Expressions - Practice and Problem-Solving Exercises - Page 15: 71



Work Step by Step

A prime number is a number $\gt1$ that is only evenly divisible by 1 and itself. A composite number is a number that is evenly divisible by one or more factors not including one and itself. There are no other numbers aside from 1 and 43 that will divide evenly into 43, therefore making it a prime number.
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