Which list shows all the factor pairs of 72? A. 1 and 72, 2 and 36, 3 and 24, 6 and 12, 8 and 9 B. 1 and 72, 2 and 36, 3 and 24, 4 and 18, 6 and 12, 8 and 9 C. 1 and 72, 2 and 36, 3 and 24, 4 and 13, 6 and 12, 8 and 9 D. 1 and 72, 2 and 36, 3 and 24, 4 and 18, 6 and 12, 7 and 9