MCM = 84
9, 6, 7
7, 4, 15
3, 5 , 7
MCM = 420
4, 6, 7
5, 10, 15
7, 12 ,13
MCM = 126
MCM = 30
MCM = 105
2, 5, 8
MCM = 1092
MCM = 40