Algebra helpp, GCF?! lol.?

Question

Uh i need help with my hw.

What's the GCF of 56&63?

and 48&72? and 18,24,36 And 20,45,75, And 120,150,180, And 200, 250, 400 ? anyone who can help is my saviorr (:

Answer 1

7

8

6

5

10

50

Answer 2

56&63= 504;

48&72=144;

18,24,36=72;

20,45,75=900;

120,150,180=1800;

200,250,400=2000

hehehehe,

Answer 3

56 and 63 is 7

48 and 72 is 24

18, 24, 36 is 6

20, 45, 75 is 5

120, 150, 180 is 30

200, 250, 400 is 50

make it a good day