Least Common Multiple (LCM) of 38 and 24
The least common multiple (LCM) of 38 and 24 is 456.
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 38 and 24?
First, calculate the GCD of 38 and 24 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 24 = 1 remainder 14 |
| 2 | 24 ÷ 14 = 1 remainder 10 |
| 3 | 14 ÷ 10 = 1 remainder 4 |
| 4 | 10 ÷ 4 = 2 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 19 | 2470 |
| 198 and 142 | 14058 |
| 131 and 151 | 19781 |
| 56 and 39 | 2184 |
| 141 and 137 | 19317 |