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 - Page 256: 7

Answer

The number 374,832 is divisible by: 2, 3, 4, 6, 8, 9, and 12. It is not divisible by: 5 or 10

Work Step by Step

The number 374,832 is divisible by: a. 2 --Yes. The number is even. b. 3 --Yes. The sum of its digits (3 + 7 + 4 + 8 + 3 + 2 = 27) is divisible by 3. c. 4 --Yes. Its last two digits (32) make a number that is divisible by 4. d. 5 --no. Its ones digit is not a 0 or a 5. e. 6 --Yes. It is divisible by both 2 and 3. f. 8 --Yes. Its last 3 digits (832) make a number that is divisible by 8. g. 9 --Yes. The sum of its digits make a number that is divisible by 9. h. 10 --No. Its ones digit is not a 0. i. 12 --Yes. It is divisible by both 3 and 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.