The Least Common Multiple (LCM) for 21 28 is 84.
The LCM of 21, 27 and 6 is 378.
The Least Common Multiple (LCM) of 35, 21, and 28 is 420.
The LCM of 2135 and 28 is 8540 The LCM of 21, 35 and 28 is 420.
252
84
LCM(21, 28, 42) = 84
The Least Common Multiple (LCM) for 21 28 is 84.
The LCM is: 84
Of each of them on their own respectively is 28, 21 and 9. together is 252
LCM(28, 6) = 84.
The Least Common Multiple (LCM) for 273 21 28 is 1,092.
The LCM of 21, 27 and 6 is 378.
The LCM is: 252
The LCM is: 672
The LCM is: 672
LCM of 12 and 21 is 84, which is also a multiple of 28 so 84 is your answer.