4, as 4 goes into itself, 16 and 20 and no number bigger than 4 can go into 4 :)
The Greatest Common Factor of 16, 20, 30: 2
The greatest common factor (GCF) is 4.
The Greatest Common Factor (GCF) is: 4
The greatest common factor for 16 and 20 is 4.
The greatest common factor of 16 20 and 44 is: 4.
4
you my love
The greatest common factor of 8, 16, and 20 is 4
4
It is: 4
It is: 4
2