Least Common Multiple (LCM) of 18 and 125
The least common multiple (LCM) of 18 and 125 is 2250.
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 18 and 125?
First, calculate the GCD of 18 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 125 = 0 remainder 18 |
| 2 | 125 ÷ 18 = 6 remainder 17 |
| 3 | 18 ÷ 17 = 1 remainder 1 |
| 4 | 17 ÷ 1 = 17 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 113 and 115 | 12995 |
| 126 and 151 | 19026 |
| 155 and 191 | 29605 |
| 60 and 51 | 1020 |
| 142 and 92 | 6532 |