What goes into 38 and 57?

Answer 1

38 = 2 x 19 (notice that 19 has no smaller factors)

63 = 3 x 3 x 7

Since the two numbers (38 and 63) don't contain any of the same numbers there is no number that goes into both of them.

Answer 2

63 ÷ 3 = 21

84 ÷ 3 = 28

Answer 3

They are: 1 and 7

Answer 4

The highest common factor is 21

Answer 5

3 -Akilae

Answer 6

One.

Answer 7

1 and 19.

Answer 8

1 and 7.

Answer 9

9 7 1 63 19 2