Least Common Multiple (LCM) of 86 and 181
The least common multiple (LCM) of 86 and 181 is 15566.
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 86 and 181?
First, calculate the GCD of 86 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 181 = 0 remainder 86 |
| 2 | 181 ÷ 86 = 2 remainder 9 |
| 3 | 86 ÷ 9 = 9 remainder 5 |
| 4 | 9 ÷ 5 = 1 remainder 4 |
| 5 | 5 ÷ 4 = 1 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 191 and 71 | 13561 |
| 25 and 198 | 4950 |
| 187 and 124 | 23188 |
| 12 and 187 | 2244 |
| 50 and 123 | 6150 |