Least Common Multiple (LCM) of 181 and 161
The least common multiple (LCM) of 181 and 161 is 29141.
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 161?
First, calculate the GCD of 181 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 161 = 1 remainder 20 |
| 2 | 161 ÷ 20 = 8 remainder 1 |
| 3 | 20 ÷ 1 = 20 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 197 and 71 | 13987 |
| 44 and 149 | 6556 |
| 199 and 183 | 36417 |
| 125 and 186 | 23250 |
| 20 and 63 | 1260 |