Least Common Multiple (LCM) of 83 and 143
The least common multiple (LCM) of 83 and 143 is 11869.
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 83 and 143?
First, calculate the GCD of 83 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 83 ÷ 143 = 0 remainder 83 |
| 2 | 143 ÷ 83 = 1 remainder 60 |
| 3 | 83 ÷ 60 = 1 remainder 23 |
| 4 | 60 ÷ 23 = 2 remainder 14 |
| 5 | 23 ÷ 14 = 1 remainder 9 |
| 6 | 14 ÷ 9 = 1 remainder 5 |
| 7 | 9 ÷ 5 = 1 remainder 4 |
| 8 | 5 ÷ 4 = 1 remainder 1 |
| 9 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 94 and 197 | 18518 |
| 81 and 80 | 6480 |
| 80 and 84 | 1680 |
| 142 and 75 | 10650 |
| 49 and 48 | 2352 |