The GCF of one number is itself. To find the GCF requires two or more numbers.
The GCF is 6.
The GCF is 9.
The GCF is 4.
The GCF is 30.
50
The GCF is 27.
The GCF is: 1
The GCF is 1.
The GCF is 5.
The GCF is 2.
The GCF is 3.
The GCF of 125, 200 is 25.