Least Common Multiple (LCM) of 115 and 69
The least common multiple (LCM) of 115 and 69 is 345.
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 69?
First, calculate the GCD of 115 and 69 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 69 = 1 remainder 46 |
| 2 | 69 ÷ 46 = 1 remainder 23 |
| 3 | 46 ÷ 23 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 122 and 49 | 5978 |
| 183 and 149 | 27267 |
| 122 and 141 | 17202 |
| 54 and 168 | 1512 |
| 183 and 96 | 5856 |