What is the maximum order of any element in Azo Solution Here is A20. So, First break 20 into different sums. 20 = 1+2+3+4+10 LCM (1,2,3,4,10) = 60 20 = 1+2+3+5+9 LCM (1,2,3,5,9) = 90 20 = 1+2+3+6+8 LCM (1,2,3,6,8) = 24 20 = 1+2+3+7+7 LCM (1,2,3,7,7) = 42 20 = 1+2+3+14 LCM (1,2,3,14) = 42 20 = 1+2+4+13 LCM (1,2,4,13) = 52 20 = 5+7+8 LCM (5,7,8) = 280 Hence 280 is maximum order..