Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.5 - Prime Factorization - Exercise: 6

Answer

(a) yes (b) no

Work Step by Step

(a) 675 is divisible by 3 since its digits add up to a number divisible by 3 (6+7+5=18, which is divisible by 3) (b) 675 is not divisible by 4 (675/4=168.75)
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