Greatest Common Factor of Polynomials

What is the GCF of  $4x^3\ and\ 16xy^2$ ? 

•  $2x$  

•  $4x$  

•  $2x^2$  

•  $4x^2$  

What is the GCF of  $10u^5v^5\ and\ 35u^3v^7?$  

•  $5u^5v^7$  

•  $10u^5v^5$  

•  $15u^2v^3$  

•  $5u^3v^5$  

What is the GCF of  $16gh^2\ and\ 24g^2h?$  

•  $4gh$  

•  $6gh^2$  

•  $8gh$  

•  $10g^2h^2$  

What is the GCF of  $25b^4,\ 5b^3\ and\ 15b^9?$  

•  $5b^3$  

•  $10b^3$  

•  $15b^4$  

•  $25b^9$  

What is the GCF of  $22p^3q^4r^2,\ 10q^5r\ and\ 16pq^3r^4?$ 

•  $10pq^3r^2$  

•  $2q^3r$  

•  $2pq^3r$  

•  $10pq^3r$  

Find the GFC:  $6n^2-9n$  

•  $3n$  

•  $3n^2$  

•  $6n^2$  

•  $9n$  

Find the GCF: $15m^3+30m$ 

Find the GCF: $25p+10$ 

Find the GCF:  $32a^6+8ab-80b^2$  

 $21m^3n^{ }+27m^4n^2+12mn^9$