Least Common Multiple (LCM) of 191 and 198
The least common multiple (LCM) of 191 and 198 is 37818.
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 198?
First, calculate the GCD of 191 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 198 = 0 remainder 191 |
| 2 | 198 ÷ 191 = 1 remainder 7 |
| 3 | 191 ÷ 7 = 27 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 111 | 2997 |
| 102 and 76 | 3876 |
| 104 and 50 | 2600 |
| 49 and 89 | 4361 |
| 35 and 64 | 2240 |