
Ans. - Testlabz.com
... In this expression prime factorization has been done. Q.10. Determine if 25110 is divisible by 45. Ans. The unit's digit of 25110 is 0. So, 25110 is divisible by 5. Also, sum of the digits = 2 + 5 + 1 + 1 + 0 = 9, which is divisible by 9. So, 25110 is divisible by 9. Now, 5 and 9 are co-prime number ...
... In this expression prime factorization has been done. Q.10. Determine if 25110 is divisible by 45. Ans. The unit's digit of 25110 is 0. So, 25110 is divisible by 5. Also, sum of the digits = 2 + 5 + 1 + 1 + 0 = 9, which is divisible by 9. So, 25110 is divisible by 9. Now, 5 and 9 are co-prime number ...
Book 1 - McGraw Hill Higher Education
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... Copyright © 2010 The McGraw-Hill Companies, Inc. All rights reserved. No part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written consent of The McGraw-Hill Companies, Inc., including, but not limit ...