Least Common Multiple (LCM) of 99 and 129
The least common multiple (LCM) of 99 and 129 is 4257.
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 129?
First, calculate the GCD of 99 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 99 ÷ 129 = 0 remainder 99 |
| 2 | 129 ÷ 99 = 1 remainder 30 |
| 3 | 99 ÷ 30 = 3 remainder 9 |
| 4 | 30 ÷ 9 = 3 remainder 3 |
| 5 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 129 and 66 | 2838 |
| 21 and 178 | 3738 |
| 147 and 104 | 15288 |
| 174 and 188 | 16356 |
| 120 and 63 | 2520 |