What is the LCM of 11 and 66?

What's the Least Common Multiple (LCM) of 11 and 66?

Answer

LCM of 11 and 66 is

66

First common multiples: 66, 132, 198, …

As a common denominator: multiply the top and bottom of x/11 by 6.

11 divides 66 (66 ÷ 11 = 6), so the LCM is the larger number itself.

11 — prime

66 = 2 × 3 × 11

Prime	11	66	Highest power
2	—	2	2
3	—	3	3
11	11	11	11

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

LCM = 2 × 3 × 11 = 66

Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
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Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
Multiples of a Number - List the first 10 multiples of any number from 1 to 999

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