What is the LCM of 22 and 44?

What's the Least Common Multiple (LCM) of 22 and 44?

Answer

LCM of 22 and 44 is

44

First common multiples: 44, 88, 132, …

As a common denominator: multiply the top and bottom of x/22 by 2.

22 divides 44 (44 ÷ 22 = 2), so the LCM is the larger number itself.

22 = 2 × 11

44 = 2² × 11

Prime	22	44	Highest power
2	2	2²	2²
11	11	11	11

LCM = 2² × 11 = 44

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