The greatest common factor of 15 and 18 is three.
The GCF is 3.
The greatest common factor is 18.
The highest common factor for 18 and 16 is 2.
The lowest common factor of 12, 18 & 36 is 1.
The greatest common factor of 36 and 54 is 18.
The GCF is 18.
The GCF is 18.
The GCF is 18.
It is: 9
The GCF is 6.
The GCF is 18.
The GCF is 2.
Since 18 is a factor of 72, it is automatically the GCF.
The GCF is 2.
Greatest common factor of 12 18 and 42 is 6.
3 is the greatest common factor of 18, 15 and 36.