# What is the lcm of 7 and 8?

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Feb 6, 2018

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They have no common factors apart from

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Therefore they have no common factors apart from

The first time they will share a common multiple is with their own product.

Looking at their prime factors:

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Feb 7, 2018

#### Answer:

56

#### Explanation:

write down the multiple of 7, n then 8. choose the one that's common and the least. :)

multiples of 7

multiples of 8

so the lcm, I.e. least common multiple of 7 and 8 is, 56.

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