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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
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∙ 6y ago
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