Least Common Multiple (LCM) of 125 and 75
The least common multiple (LCM) of 125 and 75 is 375.
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 125 and 75?
First, calculate the GCD of 125 and 75 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 125 ÷ 75 = 1 remainder 50 |
| 2 | 75 ÷ 50 = 1 remainder 25 |
| 3 | 50 ÷ 25 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 57 and 47 | 2679 |
| 183 and 154 | 28182 |
| 81 and 159 | 4293 |
| 75 and 67 | 5025 |
| 86 and 128 | 5504 |