Least Common Multiple (LCM) of 129 and 195
The least common multiple (LCM) of 129 and 195 is 8385.
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 129 and 195?
First, calculate the GCD of 129 and 195 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 195 = 0 remainder 129 |
| 2 | 195 ÷ 129 = 1 remainder 66 |
| 3 | 129 ÷ 66 = 1 remainder 63 |
| 4 | 66 ÷ 63 = 1 remainder 3 |
| 5 | 63 ÷ 3 = 21 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 35 and 180 | 1260 |
| 30 and 193 | 5790 |
| 199 and 98 | 19502 |
| 20 and 154 | 1540 |
| 31 and 42 | 1302 |