my number is a factor of 20. It's a;sp a factor of 30 what is my number or numbers

Answer 1

make a factoer tree

what is 20 made up of

1x20
2x10
4x5

what is 30 made up of

1x30
2x15
3x10
5x6

now what number(s) is/are the same that is your anwser

Answer 2

2 is a factor of both 20 and 30..can you think of anymore? I think there are two more.

Answer 3

20
20
20

30
30
30
30

Answer 4

30 = 2 * 3 * 5

20 = 2 * 2 * 5

2 * 5 = 10

Answer 5

2 a factor of 15 number sentence