Least Common Multiple (LCM) of 115 and 135
The least common multiple (LCM) of 115 and 135 is 3105.
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 115 and 135?
First, calculate the GCD of 115 and 135 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 135 = 0 remainder 115 |
| 2 | 135 ÷ 115 = 1 remainder 20 |
| 3 | 115 ÷ 20 = 5 remainder 15 |
| 4 | 20 ÷ 15 = 1 remainder 5 |
| 5 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 181 | 2715 |
| 185 and 31 | 5735 |
| 120 and 167 | 20040 |
| 63 and 71 | 4473 |
| 21 and 84 | 84 |