Least Common Multiple (LCM) of 102 and 143
The least common multiple (LCM) of 102 and 143 is 14586.
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 102 and 143?
First, calculate the GCD of 102 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 102 ÷ 143 = 0 remainder 102 |
| 2 | 143 ÷ 102 = 1 remainder 41 |
| 3 | 102 ÷ 41 = 2 remainder 20 |
| 4 | 41 ÷ 20 = 2 remainder 1 |
| 5 | 20 ÷ 1 = 20 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 140 | 9660 |
| 79 and 144 | 11376 |
| 102 and 191 | 19482 |
| 75 and 185 | 2775 |
| 91 and 129 | 11739 |