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 |
|---|---|
| 157 and 87 | 13659 |
| 128 and 146 | 9344 |
| 151 and 24 | 3624 |
| 179 and 120 | 21480 |
| 17 and 53 | 901 |