They are 84, 84084 and 8484840084
Common multiples of 7 and 4 include any multiple of 28.
The common multiples of 4 and 7 are numbers that are divisible by both 4 and 7. To find the common multiples, you can list out the multiples of each number and then identify the numbers that appear in both lists. The common multiples of 4 and 7 are 28, 56, 84, 112, and so on, as they are divisible by both 4 and 7.
Since 4 divides 12, they are the first 7 multiples of 12.
7, 14, 21
There are not just three common multiples, but infinitely many. They are 168 and it multiples, so 1680 and 16800.
2,56,84
To find the common multiples of 2, 3, and 7, we first list the multiples of each number: Multiples of 2: 2, 4, 6, 8, 10, 12, ... Multiples of 3: 3, 6, 9, 12, 15, 18, ... Multiples of 7: 7, 14, 21, 28, 35, ... The first common multiple of 2, 3, and 7 is 6, as it is the smallest number that is a multiple of all three numbers. The second common multiple is 12, as it is the next number that is a multiple of all three numbers.
14, 28, 42
1,6,7 check
21
35, 70, 105
112, 224, 336