Least Common Multiple (LCM) of 38 and 191
The least common multiple (LCM) of 38 and 191 is 7258.
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 191?
First, calculate the GCD of 38 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 191 = 0 remainder 38 |
| 2 | 191 ÷ 38 = 5 remainder 1 |
| 3 | 38 ÷ 1 = 38 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 198 | 13860 |
| 170 and 41 | 6970 |
| 141 and 142 | 20022 |
| 80 and 135 | 2160 |
| 162 and 49 | 7938 |