Least Common Multiple (LCM) of 131 and 159
The least common multiple (LCM) of 131 and 159 is 20829.
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 131 and 159?
First, calculate the GCD of 131 and 159 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 159 = 0 remainder 131 |
| 2 | 159 ÷ 131 = 1 remainder 28 |
| 3 | 131 ÷ 28 = 4 remainder 19 |
| 4 | 28 ÷ 19 = 1 remainder 9 |
| 5 | 19 ÷ 9 = 2 remainder 1 |
| 6 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 107 and 17 | 1819 |
| 97 and 140 | 13580 |
| 92 and 37 | 3404 |
| 64 and 72 | 576 |
| 147 and 121 | 17787 |