Question 136813
List the prime factors of each term:


{{{6a^2b^2}}}
{{{2 * 3 * a * a * b * b}}}


{{{18ab^3}}}
{{{2 * 3 * 3 * a * b * b * b}}}


The two terms have:
a 2 in common
a 3 in common
an a in common
2 b's in common

GCF is the product of the common prime factors:
{{{2 * 3 * a * b * b}}}  = ?