Factors of 80

The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80.

Factors of 60

Positive factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.

Factors of 63

The positive factors of 63 are 1, 3, 7, 9, 21, and 63.

Factors of 56

The positive factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56.