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: 80

Answer

Not an emirp number.

Work Step by Step

An emirp is a prime number that results in a different prime number when its decimal digits are reversed, hence the reverse of 43 is 34 which is not a prime number so 43 is not an emirp number.
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