3
The Greatest Common Factor (GCF) is: 3
The Greatest Common Factor of 60, 21, 9: 3
The GCF is 3.
The GCF of 9 and 21 is 3.
The GCF is 3.
The GCF is 3.
The GCF of 9 and 21 is 3.
The GCF is 3.
The GCF is 3.
The GCF is 3. The LCM is 63.
The greatest common factor (GCF) for 9 and 21 is 3.