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Q: What is common multiples of 7 and 5?

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There is an infinite number of common multiples for these numbers!

The common multiples of 4, 5, 7, and 15 are 420, 840, 1260 and so on.

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]).

35,70,105.140

35

35..

35

35

The LCM of (5, 6, 7) is 210.

35 and 70 both have 7 and 5 as prime factors

315

Any multiple of 105.

The least common multiple of the numbers 12, 5 and 7 is 420.

The lowest common multiple is 210

35; 70

Any multiple of 140.

28, 56, 84,112, 140

Any multiple of 210.

Any multiple of 105.

35, 70, 105

Any multiple of 280.

Any multiple of 420

The first common multiple of 3 4 5 and 7 is 420.

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.

Only one can be least common; that's 140. Other common multiples include 280, 420, 560 and 700.