A rectangular sheet of iron, 96 cm long and 80 cm wide, should be cut into the same size What is the maximum side length of this square? How many pieces are it cut into?

A rectangular sheet of iron, 96 cm long and 80 cm wide, should be cut into the same size What is the maximum side length of this square? How many pieces are it cut into?

The greatest common factor of 96 and 80 is 16, which means that the maximum side length of this square is 16 cm
Cut into (96 / 16) × (80 / 16) = 6 × 5 = 30 (pieces)
A: the maximum side length of this square is 16 cm, cut into 30 pieces