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: 78

Answer

50 is not a perfect number.

Work Step by Step

The factors of 50 are: $1, 2, 5, 10,\text{ and } 25$ The sum of the factors is: $=1+2+5+10+25 \\=43$ The sum of the factors is not equal to 50. Therefore, 50 is not a perfect number.
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