Least Common Multiple (LCM) of 129 and 120
The least common multiple (LCM) of 129 and 120 is 5160.
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 120?
First, calculate the GCD of 129 and 120 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 120 = 1 remainder 9 |
| 2 | 120 ÷ 9 = 13 remainder 3 |
| 3 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 14 and 121 | 1694 |
| 84 and 139 | 11676 |
| 144 and 115 | 16560 |
| 121 and 69 | 8349 |
| 144 and 151 | 21744 |