Least Common Multiple (LCM) of 130 and 12
The least common multiple (LCM) of 130 and 12 is 780.
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 12?
First, calculate the GCD of 130 and 12 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 12 = 10 remainder 10 |
| 2 | 12 ÷ 10 = 1 remainder 2 |
| 3 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 47 | 7990 |
| 14 and 190 | 1330 |
| 15 and 38 | 570 |
| 188 and 31 | 5828 |
| 35 and 77 | 385 |