Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 2 - Multiplying and Dividing Fractions - Summary Exercises - Fraction Basics: 28

Answer

$5\times11$

Work Step by Step

In order to find the prime factorization by 55, we can try to divide 55 by the first prime number, 2. 55 is not divisible by 2 or 3, so we can divide it by the next prime, 5. $55\div5=11$ The number 11 itself is a prime number. Therefore, the prime factorization of 55 is $5\times11$.
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