Least Common Multiple (LCM) of 191 and 43
The least common multiple (LCM) of 191 and 43 is 8213.
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 191 and 43?
First, calculate the GCD of 191 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 43 = 4 remainder 19 |
| 2 | 43 ÷ 19 = 2 remainder 5 |
| 3 | 19 ÷ 5 = 3 remainder 4 |
| 4 | 5 ÷ 4 = 1 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 117 and 198 | 2574 |
| 138 and 87 | 4002 |
| 18 and 14 | 126 |
| 132 and 112 | 3696 |
| 150 and 196 | 14700 |