Identify the greatest common factor of 12a4b7 and 18a5b3 .(1 point)

Responses

12a5b7
12 a superscript 5 baseline b superscript 7 baseline

12a4b3
12 a superscript 4 baseline b superscript 3 baseline

6a4b3
6 a superscript 4 baseline b superscript 3 baseline

6a5b7

6a4b3