Least Common Multiple (LCM) of 198 and 17
The least common multiple (LCM) of 198 and 17 is 3366.
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 198 and 17?
First, calculate the GCD of 198 and 17 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 198 ÷ 17 = 11 remainder 11 |
| 2 | 17 ÷ 11 = 1 remainder 6 |
| 3 | 11 ÷ 6 = 1 remainder 5 |
| 4 | 6 ÷ 5 = 1 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 131 | 18602 |
| 103 and 23 | 2369 |
| 147 and 137 | 20139 |
| 86 and 170 | 7310 |
| 19 and 138 | 2622 |