Answer
$1$
Work Step by Step
The factors of 7 are $\{1,7\}$
The factors of 11 are $\{1,11\}$
The greatest common factor, therefore, is $1$.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-1 Variables and Expressions - Mixed Review - Page 9: 65
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