Least Common Multiple (LCM) of 143 and 27
The least common multiple (LCM) of 143 and 27 is 3861.
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 27?
First, calculate the GCD of 143 and 27 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 27 = 5 remainder 8 |
| 2 | 27 ÷ 8 = 3 remainder 3 |
| 3 | 8 ÷ 3 = 2 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 120 and 104 | 1560 |
| 92 and 91 | 8372 |
| 39 and 166 | 6474 |
| 144 and 66 | 1584 |
| 89 and 128 | 11392 |