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The LCM of 42 and 63 is 126
It is: 378
It is 252
The LCM of 3 and 42 is 42.
Oh honey, the LCM of 42, 63, and 84 is 252. It's like finding the common ground between three divas - you gotta find the smallest number that they can all agree on, and in this case, it's 252. So go ahead and flaunt that LCM like it's the latest fashion trend, darling.