Least Common Multiple (LCM) of 181 and 57
The least common multiple (LCM) of 181 and 57 is 10317.
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 57?
First, calculate the GCD of 181 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 57 = 3 remainder 10 |
| 2 | 57 ÷ 10 = 5 remainder 7 |
| 3 | 10 ÷ 7 = 1 remainder 3 |
| 4 | 7 ÷ 3 = 2 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 152 and 167 | 25384 |
| 33 and 191 | 6303 |
| 60 and 90 | 180 |
| 139 and 186 | 25854 |
| 123 and 68 | 8364 |