Least Common Multiple (LCM) of 191 and 199
The least common multiple (LCM) of 191 and 199 is 38009.
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 191 and 199?
First, calculate the GCD of 191 and 199 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 199 = 0 remainder 191 |
| 2 | 199 ÷ 191 = 1 remainder 8 |
| 3 | 191 ÷ 8 = 23 remainder 7 |
| 4 | 8 ÷ 7 = 1 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 194 and 145 | 28130 |
| 29 and 144 | 4176 |
| 33 and 31 | 1023 |
| 148 and 61 | 9028 |
| 73 and 20 | 1460 |