3 a 9 12 July 8, 2019 16 32 64 128 3 9 12 lcm 3 9 12 15 3 9 12 21 3 9 12 6 3 9 12 4 3 9 12 5 3 9 12 18 3 9 12 x 3 9 12 13 3 9 12 2 3 9 12 1 3 9 12 8 3 9 * 120 3 9 12 20 3 9 12 10
