Least Common Multiple (LCM) of 18 and 44
The least common multiple (LCM) of 18 and 44 is 396.
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 18 and 44?
First, calculate the GCD of 18 and 44 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 44 = 0 remainder 18 |
| 2 | 44 ÷ 18 = 2 remainder 8 |
| 3 | 18 ÷ 8 = 2 remainder 2 |
| 4 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 27 and 17 | 459 |
| 117 and 78 | 234 |
| 108 and 56 | 1512 |
| 77 and 196 | 2156 |
| 78 and 71 | 5538 |