Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Skills Handbook - Prime Numbers and Composite Numbers - Exercises - Page 786: 4

Answer

Prime

Work Step by Step

A prime number's only factors are 1 and itself, while a composite number has factors other than 1 and itself. The only factors of 61 are 1 and 61, so it is prime.
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