Least Common Multiple (LCM) of 181 and 23
The least common multiple (LCM) of 181 and 23 is 4163.
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 23?
First, calculate the GCD of 181 and 23 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 23 = 7 remainder 20 |
| 2 | 23 ÷ 20 = 1 remainder 3 |
| 3 | 20 ÷ 3 = 6 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 40 and 71 | 2840 |
| 66 and 43 | 2838 |
| 139 and 180 | 25020 |
| 41 and 148 | 6068 |
| 150 and 175 | 1050 |