No. 6 is not a factor of 15. The greatest common factor of 15 and 18 is 3.
The only factor that's common to all of them is '1'.
The GCF is 3.
The greatest common factor is 18.
The greatest common factor of 18 and 21 is 3.
The GCF is 18.
Since 18 is a factor of 72, it is automatically the GCF.
The GCF is 18.
The GCF is 6.
It is: 9
The GCF is 2.
The GCF is 4.
GCF of 36 and 90 is 18
3 is the greatest common factor of 18, 15 and 36.
What is the greatest common factor of 9, 18, and 15.The answer is....3
The GCF is 18.
The least common factor is: 1