This cannot be determined based on the number you provided. You must have at least two whole numbers to determine a greatest common factor. Leave a space between the digits if you want to specify two or more numbers.
The GCF is 6.
The GCF is 9.
The GCF is 4.
The GCF is 30.
50
The GCF is: 1
The GCF is 27.
The GCF is 1.
The GCF is 2.
The GCF is 3.
The GCF is 5.