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.
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the first three common multiples of 7, 20, and 35 are 140, 280, and 420
Any multiple of 105.
21, 42, 63 and so on.
The first 3 multiples of 7 are: 7, 14, and 21.The first 3 multiples of 14 are: 14, 28, and 42.
Numbers that can be divided evenly by both 3 and 7 must be multiples of the least common multiple of 3 and 7, which is 21. Therefore, any number that is a multiple of 21 can be divided by both 3 and 7. Examples of such numbers include 21, 42, 63, 84, and so on.