72 and 27's highest common factor is nine.
The GCF is 3.
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.Factors of 27: 1, 3, 9, 27.GCF (72, 27) = 9
The GCF is 3.
The GCF is 27
The GCF is 3.
The GCF is 1.
The GCF is 3.
The GCF is 72.
The GCF is 8.
The GCF is 72.
The GCF is 8.
The GCF is 8.