12
The LCM of six, four and seven is eighty four.
12
12
28
The LCM of these four numbers is 18.
LCM=18=2*32 HCF(guess that is what u meant, highest common factor)=3 Possibilities: 3 and 18, 6 and 9, three or all of the numbers together. Note: 3 and 6 gives a LCM of 6 3 and 9 gives a LCM of 9 6 and 18 gives a HCF of 6 9 and 18 gives a HCF of 9 Three or four out of the numbers (3,6,9 and 18) will give you LCM of 18 and HCF of 3 as well.
For 16, 6, 3 the LCM is: 48
The LCM of the given three numbers is 12
The LCM of the given three numbers is 42
The LCM of the given three numbers is 924
The LCM of the given three numbers is 330
84