-4^1389 + 66=+67^7890
(1, 68) (2, 34) (4, 17)
1 and 28, 2 and 14, 4 and 7.
Six is a factor of 66.
The greatest common factor of 66 , 132 = 66
The factor pairs of 66 are:66,133,222,311,6(1, 66)(2, 33)(3, 22)(6, 11)
Four of them.
The factor pairs are the length and width of the rectangles.
One to one.
(66, 1) (33, 2) (22, 3) (11, 6)
Too many to list.
(21,1)(7,3)
1 and A
-4^1389 + 66=+67^7890
Number of factor pairs = number of rectangles
Too many to list here.
The factor pairs of 18 are (1 x 18), (2 x 9), (3 x 6)