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Least Common Multiple (LCM) of 20 and 153

The least common multiple (LCM) of 20 and 153 is 3060.

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 20 and 153?

First, calculate the GCD of 20 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.

Step-by-Step GCD Calculation

StepCalculation
1 20 ÷ 153 = 0 remainder 20
2 153 ÷ 20 = 7 remainder 13
3 20 ÷ 13 = 1 remainder 7
4 13 ÷ 7 = 1 remainder 6
5 7 ÷ 6 = 1 remainder 1
6 6 ÷ 1 = 6 remainder 0

Examples of LCM Calculations

NumbersLCM
55 and 198990
152 and 416232
199 and 16833432
185 and 285180
72 and 1891512

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