Least Common Multiple (LCM) of 84 and 198
The least common multiple (LCM) of 84 and 198 is 2772.
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 84 and 198?
First, calculate the GCD of 84 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 84 ÷ 198 = 0 remainder 84 |
| 2 | 198 ÷ 84 = 2 remainder 30 |
| 3 | 84 ÷ 30 = 2 remainder 24 |
| 4 | 30 ÷ 24 = 1 remainder 6 |
| 5 | 24 ÷ 6 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 136 | 2040 |
| 186 and 72 | 2232 |
| 175 and 139 | 24325 |
| 156 and 105 | 5460 |
| 125 and 184 | 23000 |