Least Common Multiple (LCM) of 81 and 134
The least common multiple (LCM) of 81 and 134 is 10854.
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 134?
First, calculate the GCD of 81 and 134 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 81 ÷ 134 = 0 remainder 81 |
| 2 | 134 ÷ 81 = 1 remainder 53 |
| 3 | 81 ÷ 53 = 1 remainder 28 |
| 4 | 53 ÷ 28 = 1 remainder 25 |
| 5 | 28 ÷ 25 = 1 remainder 3 |
| 6 | 25 ÷ 3 = 8 remainder 1 |
| 7 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 85 and 158 | 13430 |
| 198 and 105 | 6930 |
| 27 and 145 | 3915 |
| 174 and 32 | 2784 |
| 142 and 197 | 27974 |