Least Common Multiple (LCM) of 198 and 129
The least common multiple (LCM) of 198 and 129 is 8514.
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 129?
First, calculate the GCD of 198 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 198 ÷ 129 = 1 remainder 69 |
| 2 | 129 ÷ 69 = 1 remainder 60 |
| 3 | 69 ÷ 60 = 1 remainder 9 |
| 4 | 60 ÷ 9 = 6 remainder 6 |
| 5 | 9 ÷ 6 = 1 remainder 3 |
| 6 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 143 and 49 | 7007 |
| 35 and 54 | 1890 |
| 120 and 126 | 2520 |
| 85 and 156 | 13260 |
| 90 and 33 | 990 |