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Least Common Multiple (LCM) of 18 and 80

The least common multiple (LCM) of 18 and 80 is 720.

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 18 and 80?

First, calculate the GCD of 18 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.

Step-by-Step GCD Calculation

StepCalculation
1 18 ÷ 80 = 0 remainder 18
2 80 ÷ 18 = 4 remainder 8
3 18 ÷ 8 = 2 remainder 2
4 8 ÷ 2 = 4 remainder 0

Examples of LCM Calculations

NumbersLCM
100 and 131300
147 and 1356615
168 and 294872
53 and 1859805
196 and 1447056

Try Calculating LCM of Other Numbers







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