Least Common Multiple (LCM) of 181 and 198
The least common multiple (LCM) of 181 and 198 is 35838.
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 181 and 198?
First, calculate the GCD of 181 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 198 = 0 remainder 181 |
| 2 | 198 ÷ 181 = 1 remainder 17 |
| 3 | 181 ÷ 17 = 10 remainder 11 |
| 4 | 17 ÷ 11 = 1 remainder 6 |
| 5 | 11 ÷ 6 = 1 remainder 5 |
| 6 | 6 ÷ 5 = 1 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 199 and 194 | 38606 |
| 157 and 200 | 31400 |
| 187 and 180 | 33660 |
| 40 and 28 | 280 |
| 63 and 76 | 4788 |