Least Common Multiple (LCM) of 81 and 183
The least common multiple (LCM) of 81 and 183 is 4941.
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 183?
First, calculate the GCD of 81 and 183 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 81 ÷ 183 = 0 remainder 81 |
| 2 | 183 ÷ 81 = 2 remainder 21 |
| 3 | 81 ÷ 21 = 3 remainder 18 |
| 4 | 21 ÷ 18 = 1 remainder 3 |
| 5 | 18 ÷ 3 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 29 | 870 |
| 146 and 141 | 20586 |
| 63 and 22 | 1386 |
| 92 and 144 | 3312 |
| 118 and 111 | 13098 |