Least Common Multiple (LCM) of 81 and 110
The least common multiple (LCM) of 81 and 110 is 8910.
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 110?
First, calculate the GCD of 81 and 110 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 81 ÷ 110 = 0 remainder 81 |
| 2 | 110 ÷ 81 = 1 remainder 29 |
| 3 | 81 ÷ 29 = 2 remainder 23 |
| 4 | 29 ÷ 23 = 1 remainder 6 |
| 5 | 23 ÷ 6 = 3 remainder 5 |
| 6 | 6 ÷ 5 = 1 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 16 and 159 | 2544 |
| 176 and 84 | 3696 |
| 163 and 116 | 18908 |
| 15 and 19 | 285 |
| 151 and 78 | 11778 |