Answer
$937*13=12181$ which is $2436*5+1$, so it is $1$ mod $2436$, so 937 is an inverse of 13 by definition.
Work Step by Step
Yes.
Discrete Mathematics and Its Applications, Seventh Edition
by Rosen, Kenneth
Published by
McGraw-Hill Education
ISBN 10:
0073383090
ISBN 13:
978-0-07338-309-5
Chapter 4 - Section 4.4 - Solving Congruences - Exercises - Page 284: 2
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