1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 601, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108The GCF is 12.
The GCF is 36.
The GCF is 36.
The GCF is 12.
The GCF is 54.
The GCF is 27.
The GCF is 4.
The GCF is 6.
The GCF is 108.
GCF of 108 and 360 is 36.
The greatest common factor (GCF) of a set of numbers is the largest number that divides evenly into all of the numbers in the set. In the case of 108, the factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, and 108. The greatest common factor of 108 would be the largest number that is also a factor of any other number in the set. Since 108 is the largest number in the set, it cannot have a greatest common factor with itself.
30 over 108 is a fraction. A fraction does not (cannot) have a GCF.