Least Common Multiple (LCM) of 115 and 25
The least common multiple (LCM) of 115 and 25 is 575.
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 25?
First, calculate the GCD of 115 and 25 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 25 = 4 remainder 15 |
| 2 | 25 ÷ 15 = 1 remainder 10 |
| 3 | 15 ÷ 10 = 1 remainder 5 |
| 4 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 199 and 141 | 28059 |
| 89 and 169 | 15041 |
| 145 and 78 | 11310 |
| 51 and 34 | 102 |
| 44 and 22 | 44 |