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# What is the least common multiple of 6 and 21?

Updated: 4/28/2022

Wiki User

6y ago

The LCM of 6 and 21 is 42.

Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, and so on.

Multiples of 21 are 21, 42, and so on.

So the LCM is 42.
the answer is and always will be 42 unless u get it wrong so the correct answer lol XP
42
It is: 42

Wiki User

6y ago

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Q: What is the least common multiple of 6 and 21?
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42

210

The LCM is: 42

273

84