The first 5 multiples of 21 are: 21, 42, 63, 84, and 105.
The common multiples of 3 and 21 are 21, 42, 63 and so on.
21, 42, 63 and so on.
The first 5 multiples of 21 are: 21, 42, 63, 84, and 105.
The first five multiples of 21 are: 21, 42, 63, 84, 105.
Any pair of numbers has an infinite set of common multiples. The lowest common multiple of 9 and 21 is 63 and the others are multiples of this, e.g. 63, 126, 189, 252, 315, ...
Multiples of 21 are numbers that can be divided evenly by 21. The first few multiples of 21 are 21, 42, 63, 84, 105, and so on. To find more multiples of 21, you can continue adding 21 to the previous multiple.
The common multiples of 9 and 21 are 63, 126, 189 and so on.
Multiples of 3 are 3, 6, 9 and so on. Multiples of 7 are 7, 14, 21 and so on. The common multiples of 3 and 7 include 21, 42, 63 and so on.
Factors: 1, 3, 7, 21 Multiples: 21, 42, 63, 84 and so on.
21, 42, 63, 84.
21, 42, 63, 84