Identify the greatest common factor of 12a4b7 and 18a5b3.(1 point)Responses6a4b36 a superscript 4 baseline b superscript 3 baseline12a4b312 a superscript 4 baseline b superscript 3 baseline12a5b712 a superscript 5 baseline b superscript 7 baseline6a5b76 a superscript 5 baseline b superscript 7 baseline

The greatest common factor of 12a^4b^7 and 18a^5b^3 is 6a^4b^3.