Least Common Multiple (LCM) of 135 and 57
The least common multiple (LCM) of 135 and 57 is 2565.
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 135 and 57?
First, calculate the GCD of 135 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 135 ÷ 57 = 2 remainder 21 |
| 2 | 57 ÷ 21 = 2 remainder 15 |
| 3 | 21 ÷ 15 = 1 remainder 6 |
| 4 | 15 ÷ 6 = 2 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 16 | 240 |
| 81 and 111 | 2997 |
| 150 and 58 | 4350 |
| 92 and 192 | 4416 |
| 124 and 195 | 24180 |