Least Common Multiple (LCM) of 130 and 63
The least common multiple (LCM) of 130 and 63 is 8190.
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 63?
First, calculate the GCD of 130 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 63 = 2 remainder 4 |
| 2 | 63 ÷ 4 = 15 remainder 3 |
| 3 | 4 ÷ 3 = 1 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 123 | 861 |
| 66 and 189 | 4158 |
| 179 and 112 | 20048 |
| 96 and 114 | 1824 |
| 89 and 61 | 5429 |