Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.1 Number Theory: Prime and Composite Numbers - Exercise Set 5.1: 21

Answer

False.

Work Step by Step

Sum of digits =1+1+3+7+8 =20 which is not divisible by 9, thus it is false.
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