Least Common Multiple (LCM) of 181 and 123
The least common multiple (LCM) of 181 and 123 is 22263.
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 123?
First, calculate the GCD of 181 and 123 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 123 = 1 remainder 58 |
| 2 | 123 ÷ 58 = 2 remainder 7 |
| 3 | 58 ÷ 7 = 8 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 117 and 19 | 2223 |
| 182 and 198 | 18018 |
| 83 and 25 | 2075 |
| 158 and 139 | 21962 |
| 137 and 58 | 7946 |