8 x 8

(a)  

5 x 5

(a)  

18 x 2

(a)  

9 x 9

(a)  

6 x 9

(a)  

7 x 7

(a)  

2 x 5

(a)  

34 x 3

(a)  

276 x 4

(a)  

7475 x 9

(a)  

11 x 9

(a)  

476 x 22

(a)  

100000 x 10

(a)  

 57 x 7

(a)  

1989 x 93

(a)  

22 x 4

(a)  

46 x 7

(a)  

987236 x 3451

(a)