Least Common Multiple (LCM) of 164 and 81
The least common multiple (LCM) of 164 and 81 is 13284.
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 164 and 81?
First, calculate the GCD of 164 and 81 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 164 ÷ 81 = 2 remainder 2 |
| 2 | 81 ÷ 2 = 40 remainder 1 |
| 3 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 132 and 198 | 396 |
| 100 and 91 | 9100 |
| 22 and 130 | 1430 |
| 151 and 181 | 27331 |
| 34 and 82 | 1394 |