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The LCM of the given three numbers is 780
The Least Common Multiple (LCM) for 12 21 30 70 is 420.
LCM of 15 and 39 is 195.
The least common multiple is the smallest positive number that is the multiple of two or more numbers. 3: 3, 6, 9, 12, 15, 18, 21 21: 21 The LCM of 3 and 21 is 21.