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Least Common Multiple (LCM) of 161 and 28

The least common multiple (LCM) of 161 and 28 is 644.

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 161 and 28?

First, calculate the GCD of 161 and 28 using the Euclidean algorithm. Then use the formula above to find the LCM.

Step-by-Step GCD Calculation

StepCalculation
1 161 ÷ 28 = 5 remainder 21
2 28 ÷ 21 = 1 remainder 7
3 21 ÷ 7 = 3 remainder 0

Examples of LCM Calculations

NumbersLCM
105 and 222310
132 and 1244092
106 and 11512190
120 and 441320
59 and 774543

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