Eight
The greatest common factor of 28 and 72 is 4.
The GCF is 8.
The greatest common factor of 12, 18, 20 and 32 is 2.
The GCF is 8.
The GCF of 32, 56, and 96 is 8.
Eight
The GCF is 4.
The GCF is 8.
The GCF is 8.
The greatest common factor of 28 and 72 is 4.
The GCF is 8.
The GCF is 4.
The GCF is 8.
The GCF is 8.
The GCF is 8.
A set of numbers can have only 1 greatest common factor. GCF(24, 32) = 8