Least Common Multiple (LCM) of 115 and 48
The least common multiple (LCM) of 115 and 48 is 5520.
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 48?
First, calculate the GCD of 115 and 48 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 48 = 2 remainder 19 |
| 2 | 48 ÷ 19 = 2 remainder 10 |
| 3 | 19 ÷ 10 = 1 remainder 9 |
| 4 | 10 ÷ 9 = 1 remainder 1 |
| 5 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 112 | 1008 |
| 68 and 33 | 2244 |
| 109 and 149 | 16241 |
| 198 and 46 | 4554 |
| 86 and 142 | 6106 |