Question

Find the greatest common factor of 7a^4 and 8a³

Answer 1

Explanation:

Discussion

7 and 8 do not have an integer as a common factor (except 1, but it does not count).

a^3 and a^4 have a common factor of a^3

you know this because a^3 is a * a * a

a^4 = a * a * a * a

a^3 and a^4 have at least 3 "a"s

Answer: a ^3