What is the gcf of 12 and 48?

The greatest common factor (GCF) of 12 and 48 is 12. This is because 12 is the largest number that can evenly divide both 12 and 48 without leaving a remainder. The other factors of 12 are 1, 2, 3, 4, and 6, while the other factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.