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Least Common Multiple (LCM) of 156 and 120

The least common multiple (LCM) of 156 and 120 is 1560.

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 156 and 120?

First, calculate the GCD of 156 and 120 using the Euclidean algorithm. Then use the formula above to find the LCM.

Step-by-Step GCD Calculation

StepCalculation
1 156 ÷ 120 = 1 remainder 36
2 120 ÷ 36 = 3 remainder 12
3 36 ÷ 12 = 3 remainder 0

Examples of LCM Calculations

NumbersLCM
171 and 17229412
41 and 602460
70 and 1097630
181 and 213801
60 and 28420

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