What is the GCF of 45 and 26?

1 Answer
Nov 3, 2016

GCF of #45# and #26# is #1#

Explanation:

The factors of #45# are given by #3xx3xx5#, and

factors of #26# are given by #26=2xx13#.

Note that although #45# and #26# are not prime, there are no common factors between them.

Such numbers are called coprimes or relatively primes.

GCF of such numbers is always #1#.