Least Common Multiple (LCM) of 181 and 61
The least common multiple (LCM) of 181 and 61 is 11041.
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 61?
First, calculate the GCD of 181 and 61 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 61 = 2 remainder 59 |
| 2 | 61 ÷ 59 = 1 remainder 2 |
| 3 | 59 ÷ 2 = 29 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 86 and 34 | 1462 |
| 139 and 72 | 10008 |
| 67 and 75 | 5025 |
| 171 and 154 | 26334 |
| 129 and 42 | 1806 |