Least Common Multiple (LCM) of 181 and 81
The least common multiple (LCM) of 181 and 81 is 14661.
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 81?
First, calculate the GCD of 181 and 81 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 81 = 2 remainder 19 |
| 2 | 81 ÷ 19 = 4 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 |
|---|---|
| 99 and 167 | 16533 |
| 103 and 18 | 1854 |
| 114 and 66 | 1254 |
| 19 and 155 | 2945 |
| 97 and 136 | 13192 |