Factors of (x2y2−x2) Error converting from LaTeX to MathML Factors of (xy2−2xy+x) Error converting from LaTeX to MathML LCM is the lowest common multiple, which is the product of all the common factors taken once and the remaining factors as it is. ∴ the LCM of (x2y2−x2);(xy2−2xy+x) is x2(y−1)2(y+1)