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What is the greatest common multiple of 18 and 27?

Updated: 8/17/2019
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8y ago

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The greatest common multiple of any set of numbers is infinite.

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8y ago
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8y ago

The greatest common multiple of any set of integers is infinite.

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11y ago

Their smallest common multiple is 54 .

There is no such thing as their greatest one.

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Q: What is the greatest common multiple of 18 and 27?
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What are the greatest common factor and least common multiple of 18 27 and 78?

The greatest common factor of 18, 27, and 78 is 3. The least common multiple of 18, 27, and 78 is 702. The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 27 are: 1, 3, 9, 27 The factors of 78 are: 1, 2, 3, 6, 13, 26, 39, 78 The common factors are: 1, 3 The Greatest Common Factor (GCF) is: 3


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Common Multiples are multiples which are common to both numbers So Multiples of 9 are 9, 18, 27, 36 etc... Multiples of 27 are 27, 54, 81 etc... you can work out the least common multiple as 27 We can see that 9 is a factor of 27 so all multiples of 27 are a common multiple with 9. But as there is no upper limit we can not work out a greatest common multiple as they bigger they get the closer they get to infinity! You tend to work out Greatest Common Factor and Least Common Multiple with regards numbers.


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