It is: 3
The GCF of 15 and 27 is 3. The GCF of 15, 20 and 25 is 5. The GCF of 15, 27, 15, 20 and 25 is 1.
The GCF of 27 and 15 is 3
The GCF would be 3.
The GCF is 3.
The GCF of 6 and 15 is 3. 6/15 = 2/5
The GCF is 15.
The GCF is 3.
The result of dividing 27 and 30 is a fraction. The concept of GCF is not relevant for fractions.
The GCF is 3.
Factors of 27: 1, 3, 9, 27Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30GCF (27, 30) = 3
The GCF is 3.
The GCF of 6 and 27 is 3. The GCF of 10 and 25 is 5. The GCF of all of them is 1.