Least Common Multiple (LCM) of 125 and 43
The least common multiple (LCM) of 125 and 43 is 5375.
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 43?
First, calculate the GCD of 125 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 125 ÷ 43 = 2 remainder 39 |
| 2 | 43 ÷ 39 = 1 remainder 4 |
| 3 | 39 ÷ 4 = 9 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 188 and 35 | 6580 |
| 85 and 66 | 5610 |
| 135 and 69 | 3105 |
| 122 and 15 | 1830 |
| 137 and 52 | 7124 |