No, they are just multiples of 2.
10
The LCM of 10 and 36 is 180.
Use some method which you probably already learned, to find the least common multiple. All the other common multiples are multiples of this least common multiple, so you can multiply the least common multiple by 2, by 3, by 4, etc., to get additional common multiples.
The common multiples of 2 and 5 are numbers that can be divided evenly by both 2 and 5. The common multiples of 2 and 5 are multiples of their least common multiple (LCM), which is 10. Therefore, the common multiples of 2 and 5 are all multiples of 10. Similarly, the common multiples of 2 and 6 are multiples of their LCM, which is 6. Therefore, the common multiples of 2 and 6 are all multiples of 6.
Both 2 and 5 are prime numbers so their product 2 x 5 = 10 is the Lowest (or Least) Common Multiple. The common multiples of 2 and 5 are therefore any number which is a multiple of 10.
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, ... Multiples of 5: 5, 10, 15, 20, 25, 30, ... Multiples of 10: 10, 20, 30, 40, 50, ... So the LCM (Least Common Multiple) is 10.
The Least Common Multiple (LCM) for 2 4 is 4.
No, 2 and 28 are not multiples of 56, they are factors.
Common denominators. These are called "common multiples". For example, multiples of 4 are: 4,8,12,16,20,24 ... . Multiples of 6 are: 6,12,18,24,30,36 ... . The numbers on both lists are the common multiples and they include: 12,24,36, ... . Specifically, the smallest number in any such list of common multiples (12 in this example) is known as the Least (or Lowest) Common Multiple or LCM.
2
The only Least Common Multiple (LCM) for 2 12 is 12.
Multiples of both 2 and 5 are numbers that are divisible by both 2 and 5 without leaving a remainder. To find these multiples, you can simply find the common multiples of 2 and 5. The least common multiple of 2 and 5 is the smallest number that is divisible by both 2 and 5, which is 10. Therefore, multiples of both 2 and 5 include 10, 20, 30, 40, and so on.