Least Common Multiple (LCM) of 181 and 129
The least common multiple (LCM) of 181 and 129 is 23349.
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 129?
First, calculate the GCD of 181 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 129 = 1 remainder 52 |
| 2 | 129 ÷ 52 = 2 remainder 25 |
| 3 | 52 ÷ 25 = 2 remainder 2 |
| 4 | 25 ÷ 2 = 12 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 107 and 85 | 9095 |
| 72 and 122 | 4392 |
| 25 and 42 | 1050 |
| 157 and 18 | 2826 |
| 194 and 187 | 36278 |