The GCF is 1.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, . . .10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, . . .
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91 . . .
Seeing how your eager to get the answer it is 14. Think........................... What is the next multiple of 7. After 10. Hope i helped you.
63
over 9000
63
42, 49, 56, 63, 70.....
63/42 = 3/2
42/63 = 2/3
42/63 = 2/3
63
42, 49, 56, 63
no
Yes because 56/63 = 8/9 in its lowest terms
The GCF is 1.