Least Common Multiple (LCM) of 198 and 126
The least common multiple (LCM) of 198 and 126 is 1386.
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 126?
First, calculate the GCD of 198 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 198 ÷ 126 = 1 remainder 72 |
| 2 | 126 ÷ 72 = 1 remainder 54 |
| 3 | 72 ÷ 54 = 1 remainder 18 |
| 4 | 54 ÷ 18 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 186 and 47 | 8742 |
| 182 and 167 | 30394 |
| 78 and 89 | 6942 |
| 154 and 186 | 14322 |
| 93 and 21 | 651 |