Least Common Multiple (LCM) of 38 and 115
The least common multiple (LCM) of 38 and 115 is 4370.
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 115?
First, calculate the GCD of 38 and 115 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 115 = 0 remainder 38 |
| 2 | 115 ÷ 38 = 3 remainder 1 |
| 3 | 38 ÷ 1 = 38 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 124 and 84 | 2604 |
| 160 and 73 | 11680 |
| 183 and 142 | 25986 |
| 100 and 90 | 900 |
| 94 and 69 | 6486 |