1 and 3
Common factors of 9 and 15 are: 1 and 3.
1 and 3
The GCF is: 1
There aren't any.
The common factors of 18 are: 1,2,3,6,9,18.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
30
60
15
It is: 15
1 and 3