You need at least two numbers to find a GCF.
The GCF is 19.
The GCF is: 9
The GCF is 19.
9
The GCF is 27.
The GCF is 27.
The GCF of 27 and 81 is 27. And their LCM is 81.
no, the GCF is 19.
The GCF is 27.
The GCF of 63, 171, and 306 is 9.
The GCF of 27, 135 is 27.