Factoring the Greatest Common Factor

What is the greatest common factor of the following terms?
 $24x^3,\ 100x^4,\ 48x$  

•  $4x$  

•  $4x^4$  

•  $2x$  

•  $4x^8$  

What is the greatest common factor of the following terms?
 $2x^3y^2z,\ 4xy^3z^3,\ 8xy^5$  

•  $8xy^2$  

•  $2xy^2z$  

•  $2xy^2$  

•  $2x^3y^5z^3$  

Factor Completely
 $-36x^3+28x$  

•  $-4x\left(9x^2-7\right)$  

•  $-2x\left(18x^2+14\right)$  

•  $-4x^2\left(9x-7\right)$  

•  $-8x\left(5x^2-4\right)$  

Factor Completely
 $3j^3-33j$  

•  $3j^2\left(j+11\right)$  

•  $j\left(3j^2-33\right)$  

•  $3j\left(j^2+11\right)$  

•  $j^2+11$  

Factor Completely
 $10x^2-5x$  

•  $5x\left(2x\right)$  

•  $5x\left(2x-1\right)$  

•  $5\left(2x^2-x\right)$  

•  $5x^2\left(2x-1\right)$  

Factor Completely
 $160d^3+100d^2-180d$  

•  $8d^2+5d-9$  

•  $20d\left(8d^2+5d-9\right)$  

•  $10\left(16d^3+10d^2-18d\right)$  

•  $20d^2\left(8d+5-9\right)$  

Factor Completely
 $36p^3r^5-24p^2r^2+8pr$  

•  $4p^2r^2\left(9pr^3-6pr+2\right)$  

•  $4pr\left(9p^2r^4-24pr+8\right)$  

•  $4p\left(9p^2r^5-6pr^2+2r\right)$  

•  $4pr\left(9p^2r^4-6pr+2\right)$  

Factor Completely
 $16y^{\text{4}}z^2-28y^3z^2+12y^2$  

•  $4y^2z^2\left(4y^2-7y+3\right)$  

•  $2y\left(8y^3z^2-14y^2z^2+3y\right)$  

•  $4y^2\left(4y^2z^2-7yz^2+3\right)$  

•  $4y^2$