HowManyNumbers Logo

Least Common Multiple (LCM) of 43 and 79

The least common multiple (LCM) of 43 and 79 is 3397.

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 43 and 79?

First, calculate the GCD of 43 and 79 using the Euclidean algorithm. Then use the formula above to find the LCM.

Step-by-Step GCD Calculation

StepCalculation
1 43 ÷ 79 = 0 remainder 43
2 79 ÷ 43 = 1 remainder 36
3 43 ÷ 36 = 1 remainder 7
4 36 ÷ 7 = 5 remainder 1
5 7 ÷ 1 = 7 remainder 0

Examples of LCM Calculations

NumbersLCM
99 and 11811682
103 and 14815244
133 and 557315
197 and 16632702
189 and 1298127

Try Calculating LCM of Other Numbers







Related Calculators