Least Common Multiple (LCM) of 91 and 198
The least common multiple (LCM) of 91 and 198 is 18018.
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 91 and 198?
First, calculate the GCD of 91 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 198 = 0 remainder 91 |
| 2 | 198 ÷ 91 = 2 remainder 16 |
| 3 | 91 ÷ 16 = 5 remainder 11 |
| 4 | 16 ÷ 11 = 1 remainder 5 |
| 5 | 11 ÷ 5 = 2 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 154 and 162 | 12474 |
| 180 and 93 | 5580 |
| 89 and 127 | 11303 |
| 67 and 179 | 11993 |
| 76 and 198 | 7524 |