Finding a GCF of Two Numbers

1	1 10
	Answer 1

2	5 50
	Answer 5

3	45 54
	Answer 9

4	65 156
	Answer 13

5	88 121
	Answer 11

6	66 165
	Answer 33

7	36 54
	Answer 18

8	40 50
	Answer 10

9	35 175
	Answer 35

10	100 1000
	Answer 100

11	5 9
	Answer 1

12	35 21
	Answer 7

13	132 88
	Answer 44

14	153 85
	Answer 17

15	52 338
	Answer 26

16	32 324
	Answer 4

17	101 1010
	Answer 101

18	290 17
	Answer 1

19	135 150
	Answer 15

20	495 175
	Answer 5