Any multiple of 28.
28
28
LCM(7, 4) = 28.
The LCM of 3 4 and 7 is 84.
28, 56, 84, 112, 140.
420
You need at least two numbers to find an LCM.
Any multiple of 360 between 1080 and 9720 inclusive.
2145
It is not possible to give a sensible answer to this question. A common multiple refers to a multiple that is COMMON to two or more numbers. You have only one number in the question!
The least common multiple of four, twenty eight, and twenty is 140.
The common denominator refers to a multiple that is COMMON to two or more numbers. You have only one number in the question! The common denominator for a number is itself.