Least Common Multiple (LCM) of 187 and 143
The least common multiple (LCM) of 187 and 143 is 2431.
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 187 and 143?
First, calculate the GCD of 187 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 187 ÷ 143 = 1 remainder 44 |
| 2 | 143 ÷ 44 = 3 remainder 11 |
| 3 | 44 ÷ 11 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 17 and 89 | 1513 |
| 44 and 43 | 1892 |
| 130 and 129 | 16770 |
| 180 and 162 | 1620 |
| 131 and 53 | 6943 |