It is: 9
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF of 153 and 270 is 3 * 3 = 9
The GCF is 17.
The GCF is 9. 27/153 = 3/17
The GCF is 3.
The GCF is 17.
The GCF is 9.
The GCF of 306 and 459 is 153.
The GCF (Greatest Common Factor) of 1, 49, and 153 is 1, because 1 does not have any other factors.
12