Question

Find the greatest common factor for the group of terms.
-66a^4,11a^5

Answer 1

\[11a^4\]

Answer 2

because
\[11a^5=11a^4\times a\]and
\[-66a^4=-6\times 11a^4\]

Answer 3

I think, only 11a^4

Answer 4

yes, it is
\[11a^4\] my last two posts were the explanation