Least Common Multiple (LCM) of 81 and 106
The least common multiple (LCM) of 81 and 106 is 8586.
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 81 and 106?
First, calculate the GCD of 81 and 106 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 81 ÷ 106 = 0 remainder 81 |
| 2 | 106 ÷ 81 = 1 remainder 25 |
| 3 | 81 ÷ 25 = 3 remainder 6 |
| 4 | 25 ÷ 6 = 4 remainder 1 |
| 5 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 39 and 107 | 4173 |
| 197 and 44 | 8668 |
| 187 and 15 | 2805 |
| 26 and 11 | 286 |
| 38 and 179 | 6802 |