What is the LCM of 27 and 54?

What's the Least Common Multiple (LCM) of 27 and 54?

Answer

LCM of 27 and 54 is

54

First common multiples: 54, 108, 162, …

As a common denominator: multiply the top and bottom of x/27 by 2.

27 divides 54 (54 ÷ 27 = 2), so the LCM is the larger number itself.

27 = 3³

54 = 2 × 3³

Prime	27	54	Highest power
2	—	2	2
3	3³	3³	3³

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

LCM = 2 × 3³ = 54

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Multiples of a Number - List the first 10 multiples of any number from 1 to 999

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