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 |
|---|---|
| 146 and 177 | 25842 |
| 173 and 48 | 8304 |
| 179 and 70 | 12530 |
| 197 and 186 | 36642 |
| 147 and 120 | 5880 |