Least Common Multiple (LCM) of 163 and 125
The least common multiple (LCM) of 163 and 125 is 20375.
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 163 and 125?
First, calculate the GCD of 163 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 163 ÷ 125 = 1 remainder 38 |
| 2 | 125 ÷ 38 = 3 remainder 11 |
| 3 | 38 ÷ 11 = 3 remainder 5 |
| 4 | 11 ÷ 5 = 2 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 187 and 152 | 28424 |
| 99 and 19 | 1881 |
| 81 and 116 | 9396 |
| 177 and 21 | 1239 |
| 19 and 20 | 380 |