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Least Common Multiple (LCM) of 121 and 77

The least common multiple (LCM) of 121 and 77 is 847.

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 121 and 77?

First, calculate the GCD of 121 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.

Step-by-Step GCD Calculation

StepCalculation
1 121 ÷ 77 = 1 remainder 44
2 77 ÷ 44 = 1 remainder 33
3 44 ÷ 33 = 1 remainder 11
4 33 ÷ 11 = 3 remainder 0

Examples of LCM Calculations

NumbersLCM
117 and 829594
157 and 9514915
192 and 868256
17 and 1552635
170 and 11719890

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