An easy method to find the LCM of two or more numbers is to list their multiples.
Multiples of 42: 42, 84, 126, 168, 210, ... 7140
Multiples of 51: 51, 102, 153, 204, 255, 306, ... 7140
Multiples of 60: 60, 120, 180, 240, 300, 360, ... 7140
The LCM of 42, 51 and 60 is 7140.
The LCM of 60 and 42 is 420.
The LCM is 840.
The LCM of 51 and 42 is 714.
The LCM is: 420
The LCM is 1020.
Least Common Multiple (LCM) for 18 42 60 is 1,260.
LCM(16, 42, 51) = 5712.
The LCM is: 1260
The LCM is: 420
The LCM is: 420
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