Least Common Multiple (LCM) of 130 and 105
The least common multiple (LCM) of 130 and 105 is 2730.
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 105?
First, calculate the GCD of 130 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 105 = 1 remainder 25 |
| 2 | 105 ÷ 25 = 4 remainder 5 |
| 3 | 25 ÷ 5 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 89 | 12282 |
| 179 and 192 | 34368 |
| 48 and 61 | 2928 |
| 77 and 153 | 11781 |
| 151 and 183 | 27633 |