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There is really no such thing as a "greatest common multiple". Once you find the least common multiple of a set of numbers, you can keep adding the LCM to itself over and over again. Each new number you get will be a common multiple of your set of numbers, but each new number will always be larger than the previous. This means that you can keep adding while the number approaches infinity and you will still never find a greatest multiple.

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βˆ™ 9y ago
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βˆ™ 12y ago

There is no greatest common multiple, that would be infinite.

The greatest common factor is 7, while the least common multiple is 210

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βˆ™ 7y ago

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

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Q: What is the greatest common multiple of 28 42 and 70?
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