Any multiple of 84.
84, 168, 252
12, 24, 36, 49, 60, 72, 84 28, 56, 84
The multiples of 28 include 28, 56 and 84. For them to be common, they need to be compared to another set of multiples.
There is an infinite number of common multiples for 12 and 28. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder).
84, 168, 252
84, 168, 252
84, 168, 252
The LCM for 37 and 12 is 444.
84, 168, 252
84, 168, 252
Multiples of 28 include 28, 56 and84. For them to be common, they need to be compared to another set of multiples.