What is the greatest common factor of 12a2b3

and 18a3b
?(1 point)
Responses

6a2b

6 a superscript 2 baseline b
12a5b4
12 a superscript 5 baseline b superscript 4 baseline
12a2b
12 a superscript 2 baseline b
6ab2

The greatest common factor of 12a^2b^3 and 18a^3b is 6a^2b.