Algebra 1

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

Skills Handbook - Factors and Multiples - Exercises: 4

Answer

21

Work Step by Step

The Greatest Common Factor of two numbers is the largest number that we can multiply a whole number by to get both numbers. Thus, the Greatest Common Factor of 42, 63 and 105 is: 21.
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