Least Common Multiple (LCM) of 115 and 65
The least common multiple (LCM) of 115 and 65 is 1495.
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 65?
First, calculate the GCD of 115 and 65 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 65 = 1 remainder 50 |
| 2 | 65 ÷ 50 = 1 remainder 15 |
| 3 | 50 ÷ 15 = 3 remainder 5 |
| 4 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 33 and 42 | 462 |
| 158 and 25 | 3950 |
| 66 and 57 | 1254 |
| 137 and 184 | 25208 |
| 97 and 173 | 16781 |