Least Common Multiple (LCM) of 143 and 163
The least common multiple (LCM) of 143 and 163 is 23309.
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 143 and 163?
First, calculate the GCD of 143 and 163 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 163 = 0 remainder 143 |
| 2 | 163 ÷ 143 = 1 remainder 20 |
| 3 | 143 ÷ 20 = 7 remainder 3 |
| 4 | 20 ÷ 3 = 6 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 198 and 168 | 5544 |
| 29 and 64 | 1856 |
| 21 and 88 | 1848 |
| 133 and 79 | 10507 |
| 15 and 140 | 420 |