Least Common Multiple (LCM) of 189 and 135
The least common multiple (LCM) of 189 and 135 is 945.
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 189 and 135?
First, calculate the GCD of 189 and 135 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 189 ÷ 135 = 1 remainder 54 |
| 2 | 135 ÷ 54 = 2 remainder 27 |
| 3 | 54 ÷ 27 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 56 and 35 | 280 |
| 142 and 90 | 6390 |
| 133 and 15 | 1995 |
| 195 and 177 | 11505 |
| 124 and 185 | 22940 |