A rectangular grid whose side lengths are integers greater than 1 is given. Smaller rectangles with area equal to an odd integer and length of each side equal to an integer greater than 1 are cut out one by one. Finally one single unit is left. Find the least possible area of the initial grid before the cuttings.
(In reply to
Solution by xdog)
2x3 rectangles have an even area, so they fail to satisfy the requirement " Smaller rectangles with area equal to an odd integer"
re: Solution
