The LCM (Least Common Multiple) of 2x7 and 4x9 is 36x63.
36
9
36
== 4x9== 36 ==
164
4x9
4 :) 4x9=36
factors in 4 X 9 are : The factorization of 4x9 =2X2X3X3 . Hence ,6X6 and 12 X3 and 9X4 and 18 X2 are the factors equal to 36.
18 to 36 = 1 to 2
135
1x36, 2x18, 3x12, 4x9, 6x6