Least Common Multiple (LCM) of 99 and 189
The least common multiple (LCM) of 99 and 189 is 2079.
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 99 and 189?
First, calculate the GCD of 99 and 189 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 99 ÷ 189 = 0 remainder 99 |
| 2 | 189 ÷ 99 = 1 remainder 90 |
| 3 | 99 ÷ 90 = 1 remainder 9 |
| 4 | 90 ÷ 9 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 136 | 18904 |
| 128 and 16 | 128 |
| 48 and 177 | 2832 |
| 174 and 146 | 12702 |
| 93 and 31 | 93 |