Least Common Multiple (LCM) of 99 and 125
The least common multiple (LCM) of 99 and 125 is 12375.
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 99 and 125?
First, calculate the GCD of 99 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 99 ÷ 125 = 0 remainder 99 |
| 2 | 125 ÷ 99 = 1 remainder 26 |
| 3 | 99 ÷ 26 = 3 remainder 21 |
| 4 | 26 ÷ 21 = 1 remainder 5 |
| 5 | 21 ÷ 5 = 4 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 75 and 139 | 10425 |
| 125 and 71 | 8875 |
| 21 and 43 | 903 |
| 86 and 132 | 5676 |
| 52 and 177 | 9204 |