Least Common Multiple (LCM) of 129 and 130
The least common multiple (LCM) of 129 and 130 is 16770.
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 130?
First, calculate the GCD of 129 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 130 = 0 remainder 129 |
| 2 | 130 ÷ 129 = 1 remainder 1 |
| 3 | 129 ÷ 1 = 129 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 76 and 10 | 380 |
| 104 and 50 | 2600 |
| 61 and 131 | 7991 |
| 137 and 43 | 5891 |
| 17 and 131 | 2227 |