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Q: What are the common multiples of 7 and 3?

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The common multiples of 3 and 7 are 21, 42, 63 and so on.

42 is the LCM of 3, 6 and 7. All multiples of 42 are multiples of 3, 6 and 7

The common multiples of 3 and 7 are:21,42,63,84,105,126,147,168,189,210,etc.

There are infinitely many common multiples of 3, 5 and 7, each one 105 larger than the previous one. Or to put it another way: the common multiples of 3, 5 and 7 are the multiples of their lowest common multiple which is 105. ie their common multiples are all the multiples of 105, of which there is no end - there is an infinite number of multiples of 105 (or any other number [except zero]).

The common multiples of an set of numbers are the multiples of their lowest common multiple. lcm(7, 8, 9) = 504 → the first 3 common multiples of 7, 8, 9 are 504, 1008, 1512.

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.

Odd multiples of 21.

The LCM of 3 and 7 is 21.

lcm(2, 7) = 14 → first 3 common multiples are: 14, 28, 42; lcm(2, 8) = 8 → first 3 common multiples are: 8, 16, 24; lcm(7, 8) = 56 → first 3 common multiples are: 56, 112, 168; lcm(2, 7, 8) = 56 → first 3 common multiples are: 56, 112, 168.

There are infinitely many common multiples of 7 and 3 and it is not possible to provide a list. They are numbers of the form 21*k where k is an integer.

2

The LCM of 3 and 7 is 21.

21

2,56,84

The lowest common multiple is 42

There is an infinite number of common multiples for 3 and 7. 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).

The 3 numbers don't have a common multiple except for 1.

21,42,63

LCM: 21

21,69

it's infinite

21

231

The least common multiple of the numbers 3, 7 and 10 is 210.

The common multiples are the infinite set of the multiples of the LCM of 7 and 8. Therefore, the common multiples of 7 and 8 are 56, 112, 168, 224, 280, and so on.