Least Common Multiple (LCM) of 130 and 68
The least common multiple (LCM) of 130 and 68 is 4420.
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 130 and 68?
First, calculate the GCD of 130 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 68 = 1 remainder 62 |
| 2 | 68 ÷ 62 = 1 remainder 6 |
| 3 | 62 ÷ 6 = 10 remainder 2 |
| 4 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 144 and 110 | 7920 |
| 181 and 43 | 7783 |
| 170 and 198 | 16830 |
| 110 and 15 | 330 |
| 45 and 59 | 2655 |