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The LCM is 42.
The LCM is: 42
The LCM is 1806.
Th LCM of 21 and 42 is: 42
The LCM is: 2,520
The least common multiple (LCM) of 21 and 42 is 42.
The LCM of 3 and 42 is 42.
lcm(42, 2) = 42