Least Common Multiple (LCM) of 48 and 115
The least common multiple (LCM) of 48 and 115 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 48 and 115?
First, calculate the GCD of 48 and 115 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 48 ÷ 115 = 0 remainder 48 |
| 2 | 115 ÷ 48 = 2 remainder 19 |
| 3 | 48 ÷ 19 = 2 remainder 10 |
| 4 | 19 ÷ 10 = 1 remainder 9 |
| 5 | 10 ÷ 9 = 1 remainder 1 |
| 6 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 179 and 121 | 21659 |
| 162 and 148 | 11988 |
| 145 and 66 | 9570 |
| 178 and 129 | 22962 |
| 66 and 83 | 5478 |