Least Common Multiple (LCM) of 130 and 143
The least common multiple (LCM) of 130 and 143 is 1430.
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 143?
First, calculate the GCD of 130 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 143 = 0 remainder 130 |
| 2 | 143 ÷ 130 = 1 remainder 13 |
| 3 | 130 ÷ 13 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 65 and 169 | 845 |
| 138 and 83 | 11454 |
| 15 and 149 | 2235 |
| 38 and 72 | 1368 |
| 37 and 174 | 6438 |