Least Common Multiple (LCM) of 92 and 81
The least common multiple (LCM) of 92 and 81 is 7452.
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 92 and 81?
First, calculate the GCD of 92 and 81 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 92 ÷ 81 = 1 remainder 11 |
| 2 | 81 ÷ 11 = 7 remainder 4 |
| 3 | 11 ÷ 4 = 2 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 47 and 163 | 7661 |
| 59 and 28 | 1652 |
| 172 and 66 | 5676 |
| 111 and 184 | 20424 |
| 137 and 20 | 2740 |