What is the GCF of 132 and 220?

1 Answer
Jan 24, 2018

44

Explanation:

132 in prime factorization form is #2^2*3*11#
220 in prime factorization form is #2^2*5*11#

The common factors are #2^2# and 11, so with them you multiply.
#2^2*11# = #4*11# = #44#

44 is the gcf of 132 and 220.