What is the LCM of 6 and 2?

What's the Least Common Multiple (LCM) of 6 and 2?

Answer

LCM of 6 and 2 is

6

First common multiples: 6, 12, 18, …

As a common denominator: multiply the top and bottom of y/2 by 3.

2 divides 6 (6 ÷ 2 = 3), so the LCM is the larger number itself.

6 = 2 × 3

2 — prime

Prime	6	2	Highest power
2	2	2	2
3	3	—	3

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 2 × 3 = 6

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