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Anonymous
The Least Common Multiple (LCM) of 21, 42, and 49 is 294.
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147
126
The LCM is 42
Since 126 is a multiple of 21, it is automatically the LCM.
42
LCM(6, 7, 21) = 42
The least common multiple of the numbers 7, 18 and 21 is 126.