Finding a GCF of Two Terms

1	2xy 2x^2y^2
	Answer 2xy

2	6a^2 9a^2
	Answer 3a2

3	100x 30y
	Answer 10

4	30a^2 40b^2
	Answer 10

5	10z^4y^3 1x^3
	Answer 1

6	x^3 x^2
	Answer x2

7	3 9x
	Answer 3

8	v^2 2v^3
	Answer v2

9	2p^2 2p^1
	Answer 2p

10	12xyz 40x^2y^2z^2
	Answer 4xyz

11	21x 21x^2y^2
	Answer 21x

12	49x^3y^2 42x^2y
	Answer 7x2y

13	5u^2v^3 6uv^4
	Answer uv3

14	2m^2n 3mn^2
	Answer mn

15	pq 7pr
	Answer p

16	9tu^2v 21t^2u^3v^3
	Answer 3tu2v

17	9x 4y
	Answer 1

18	q^2r^2 qr
	Answer qr

19	49a 42a
	Answer 7a

20	36qx 54r
	Answer 18