Least Common Multiple (LCM) of 143 and 84
The least common multiple (LCM) of 143 and 84 is 12012.
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 84?
First, calculate the GCD of 143 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 84 = 1 remainder 59 |
| 2 | 84 ÷ 59 = 1 remainder 25 |
| 3 | 59 ÷ 25 = 2 remainder 9 |
| 4 | 25 ÷ 9 = 2 remainder 7 |
| 5 | 9 ÷ 7 = 1 remainder 2 |
| 6 | 7 ÷ 2 = 3 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 181 and 126 | 22806 |
| 12 and 69 | 276 |
| 149 and 79 | 11771 |
| 174 and 156 | 4524 |
| 98 and 38 | 1862 |