Least Common Multiple (LCM) of 131 and 128
The least common multiple (LCM) of 131 and 128 is 16768.
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 128?
First, calculate the GCD of 131 and 128 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 128 = 1 remainder 3 |
| 2 | 128 ÷ 3 = 42 remainder 2 |
| 3 | 3 ÷ 2 = 1 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 106 and 105 | 11130 |
| 122 and 82 | 5002 |
| 181 and 200 | 36200 |
| 31 and 51 | 1581 |
| 144 and 170 | 12240 |