Least Common Multiple (LCM) of 143 and 131
The least common multiple (LCM) of 143 and 131 is 18733.
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 131?
First, calculate the GCD of 143 and 131 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 131 = 1 remainder 12 |
| 2 | 131 ÷ 12 = 10 remainder 11 |
| 3 | 12 ÷ 11 = 1 remainder 1 |
| 4 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 101 and 169 | 17069 |
| 163 and 106 | 17278 |
| 192 and 13 | 2496 |
| 128 and 188 | 6016 |
| 194 and 105 | 20370 |