Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 1 - Whole Numbers - 1.5 Dividing Whole Numbers - 1.5 Exercises - Page 51: 24

Answer

13,785 is divisible by 3 and 5.

Work Step by Step

13,785 is not divisible by 2 because it is not an even number. 13,785 is divisible by 3 because the sum of its digits is divisible by 3. 1+3+7+8+5=24; 2+4 = 6; 6 is divisible by 3 13,785 is divisible by 5 because it ends in 5. 13,785 is not divisible by 10 because it does not end in zero.
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