Least Common Multiple (LCM) of 143 and 109
The least common multiple (LCM) of 143 and 109 is 15587.
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 109?
First, calculate the GCD of 143 and 109 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 109 = 1 remainder 34 |
| 2 | 109 ÷ 34 = 3 remainder 7 |
| 3 | 34 ÷ 7 = 4 remainder 6 |
| 4 | 7 ÷ 6 = 1 remainder 1 |
| 5 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 46 and 174 | 4002 |
| 154 and 182 | 2002 |
| 165 and 176 | 2640 |
| 200 and 186 | 18600 |
| 19 and 132 | 2508 |