Least Common Multiple (LCM) of 198 and 63
The least common multiple (LCM) of 198 and 63 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 63?
First, calculate the GCD of 198 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 198 ÷ 63 = 3 remainder 9 |
| 2 | 63 ÷ 9 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 116 and 90 | 5220 |
| 78 and 175 | 13650 |
| 52 and 80 | 1040 |
| 30 and 18 | 90 |
| 144 and 189 | 3024 |