what is the greatest cowhat is the greatest common factor of 45a^2b and 12ab?mmon factor of 45a^2b and 15ab?
The greatest common factor of 45a^2b and 12ab is 3ab.
To find the greatest common factor, we need to find the largest factor that is common to both numbers. In this case, the factors of 45a^2b are 1, 3, 5, 9, 15, 45, a, a^2, b, ab, and 45a^2b. The factors of 12ab are 1, 2, 3, 4, 6, 12, a, b, and ab. The largest factor that appears in both lists is 3ab.
Therefore, the greatest common factor of 45a^2b and 12ab is 3ab.