Least Common Multiple (LCM) of 115 and 190
The least common multiple (LCM) of 115 and 190 is 4370.
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 190?
First, calculate the GCD of 115 and 190 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 190 = 0 remainder 115 |
| 2 | 190 ÷ 115 = 1 remainder 75 |
| 3 | 115 ÷ 75 = 1 remainder 40 |
| 4 | 75 ÷ 40 = 1 remainder 35 |
| 5 | 40 ÷ 35 = 1 remainder 5 |
| 6 | 35 ÷ 5 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 40 and 82 | 1640 |
| 175 and 21 | 525 |
| 178 and 68 | 6052 |
| 30 and 85 | 510 |
| 93 and 78 | 2418 |