Least Common Multiple (LCM) of 199 and 19
The least common multiple (LCM) of 199 and 19 is 3781.
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 199 and 19?
First, calculate the GCD of 199 and 19 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 199 ÷ 19 = 10 remainder 9 |
| 2 | 19 ÷ 9 = 2 remainder 1 |
| 3 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 199 | 28258 |
| 142 and 170 | 12070 |
| 48 and 109 | 5232 |
| 20 and 91 | 1820 |
| 94 and 71 | 6674 |