The GCF of 105 and 189 is 21.
The Greatest Common Divisor of 105, 189 is 21.
The GCF is 5.
The GCF is 21.
The GCF is 21.
The GCF is 21.
You need at least two numbers to find a GCF.
The GCF is 27.
The GCF is 63.
The GCF is 9.
The GCF is 27.
The GCF is 27.