Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - Get Ready!: 3

Answer

Yes, 1 is the answer because it is true that it is the Greatest Common Factor of 13 and 20.

Work Step by Step

The factors of 13 are {1, 13} and the factors of 20 are {1, 2, 4, 5, 10, 20}. The greatest common number in those sets is 1. The Greatest Common Factor is the largest factor that is in both sets, so 1 is the answer.
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