Least Common Multiple (LCM) of 38 and 171
The least common multiple (LCM) of 38 and 171 is 342.
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 171?
First, calculate the GCD of 38 and 171 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 171 = 0 remainder 38 |
| 2 | 171 ÷ 38 = 4 remainder 19 |
| 3 | 38 ÷ 19 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 107 and 161 | 17227 |
| 197 and 142 | 27974 |
| 199 and 191 | 38009 |
| 178 and 188 | 16732 |
| 200 and 135 | 5400 |