Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 2 - Multiplying and Dividing Fractions - 2.3 Factors - 2.3 Exercises: 27



Work Step by Step

A prime number is a whole number that has exactly two factors, itself and the number 1. Any number besides 0 and 1 that are not prime are composite. Therefore, 47 must be a prime number, because 1 and 47 are the only numbers that divide evenly into 47.
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