Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Skills Handbook - Prime Numbers and Composite Numbers - Exercises - Page 798: 5

Answer

Prime Number

Work Step by Step

A prime number is a number for which we cannot multiply any two whole numbers (besides the number and 1) to get that number. A composite number is any other number; in other words, a composite number is a number you can get by multiplying two whole numbers (not including the number and one). There are not two whole numbers that multiply to get 7 (besides 7 and 1), so 7 is a prime number.
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