Question

How do I find the greatest common factor when it involves a variable?

Answer 1

Given

`20b^3,16b^4`

Find

Greatest Common Factor

Step-by-step explanation

Factors of

`\begin{gathered} 20b^3=2*2*5* b* b* b \\ 16b^4=2*2*2*2* b* b* b* b \end{gathered}`

common factors are

`\begin{gathered} 2*2* b* b* b \\ 4b^3 \end{gathered}`

Final Answer

Hence , the greatest common factor is

`4b^3`