Answer:
48 and 80? The gcf of 48 and 80 is 16.
Explanation:
The factors of 48 are 48, 24, 16, 12, 8, 6, 4, 3, 2, 1.
The factors of 80 are 80, 40, 20, 16, 10, 8, 5, 4, 2, 1.
The common factors of 48 and 80 are 16, 8, 4, 2, 1, intersecting the two sets above.