Least Common Multiple (LCM) of 131 and 199
The least common multiple (LCM) of 131 and 199 is 26069.
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 199?
First, calculate the GCD of 131 and 199 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 199 = 0 remainder 131 |
| 2 | 199 ÷ 131 = 1 remainder 68 |
| 3 | 131 ÷ 68 = 1 remainder 63 |
| 4 | 68 ÷ 63 = 1 remainder 5 |
| 5 | 63 ÷ 5 = 12 remainder 3 |
| 6 | 5 ÷ 3 = 1 remainder 2 |
| 7 | 3 ÷ 2 = 1 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 129 and 60 | 2580 |
| 90 and 197 | 17730 |
| 97 and 186 | 18042 |
| 68 and 42 | 1428 |
| 85 and 72 | 6120 |