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Least Common Multiple (LCM) of 84 and 81

The least common multiple (LCM) of 84 and 81 is 2268.

What is the Least Common Multiple (LCM)?

The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.

Formula for LCM

The LCM of two numbers can be calculated using their GCD:

LCM(a, b) = |a × b| ÷ GCD(a, b)

How to Calculate the LCM of 84 and 81?

First, calculate the GCD of 84 and 81 using the Euclidean algorithm. Then use the formula above to find the LCM.

Step-by-Step GCD Calculation

StepCalculation
1 84 ÷ 81 = 1 remainder 3
2 81 ÷ 3 = 27 remainder 0

Examples of LCM Calculations

NumbersLCM
115 and 15818170
115 and 17820470
82 and 421722
87 and 19917313
191 and 18535335

Try Calculating LCM of Other Numbers







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