THERE ARE PLENTY OF 2 5× 1 3× SMALL RECTANGLES, IT IS P...

6. - TRƯỜNG THCS HOÀNG XUÂN HÃN
TRƯỜNG THCS HOÀNG XUÂN HÃN

6.

There are plenty of 2 5

×

1 3

×

small rectangles, it is possible to form new

rectangles without overlapping any of these small rectangles. Determine all the

ordered pairs ( , )

m n

of positive integers where

2

≤ ≤

m

n

,

so that no m n

×

rectangle will be formed.

Answer:_________________________.