Least Common Multiple (LCM) of 181 and 153
The least common multiple (LCM) of 181 and 153 is 27693.
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 153?
First, calculate the GCD of 181 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 153 = 1 remainder 28 |
| 2 | 153 ÷ 28 = 5 remainder 13 |
| 3 | 28 ÷ 13 = 2 remainder 2 |
| 4 | 13 ÷ 2 = 6 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 175 and 190 | 6650 |
| 43 and 110 | 4730 |
| 18 and 57 | 342 |
| 162 and 105 | 5670 |
| 153 and 182 | 27846 |