Least Common Multiple (LCM) of 38 and 11
The least common multiple (LCM) of 38 and 11 is 418.
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 11?
First, calculate the GCD of 38 and 11 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 11 = 3 remainder 5 |
| 2 | 11 ÷ 5 = 2 remainder 1 |
| 3 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 144 and 132 | 1584 |
| 128 and 149 | 19072 |
| 46 and 112 | 2576 |
| 193 and 78 | 15054 |
| 105 and 122 | 12810 |