Least Common Multiple (LCM) of 161 and 187
The least common multiple (LCM) of 161 and 187 is 30107.
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 161 and 187?
First, calculate the GCD of 161 and 187 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 187 = 0 remainder 161 |
| 2 | 187 ÷ 161 = 1 remainder 26 |
| 3 | 161 ÷ 26 = 6 remainder 5 |
| 4 | 26 ÷ 5 = 5 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 190 and 12 | 1140 |
| 183 and 161 | 29463 |
| 183 and 124 | 22692 |
| 133 and 169 | 22477 |
| 149 and 74 | 11026 |