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 - Page 25: 2

Answer

(a) no (b) yes

Work Step by Step

(a) 28 is not divisible by 3 (since its digits add up to a number not divisible by 3: 2+8=10, which is not divisible by 3) (b) 28/4=7, so 28 is divisible by 4
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.