Problem  GCF, LCM 
2xy and 4x^2y^2  
8abc^2 and 18c^3d^4e  
3e^6f^12g^9 and 10h^2j^11k^4  
40r^3st^7 and 48r^2s^2t^5  
27k^2m^2n^4 and 5m^2n^3  
10fgh and 65f^3h^6  
20t^3u^10v^5 and 86t^4u^10v^3  
14q^3r^4s^5t^6 and 36q^2s^3t^4  
126np^2 and 189n^3p^4  
32bc^3d and 72b^2c^6d  
 Problem  GCF, LCM 
6xy, 12x^2y, and 18x^2yz  
7s^3t^3, 14t^4, and 21s^2t^7  
8q^8r, 11q^2r^3, and 32q^2r^4  
9g^9hj^3, 27g^3h^3j^3,and 54ghj  
18t^8y^5, 16t^5y^8, and 32t^7y^7  
27d^3ef^2, 24g^4h, and 21i^9j  
42up^2, 56u^5p^3, and 168u^3p^4  
48k^7m^9, 72km, and 144k^3m^5  
32s^3t^5u^6, 48s^9t^8u^7, and 64t^13u^6  
36w^3x^2y^2, 108w^4y^2, and 756xy^4  
