Least Common Multiple (LCM) of 80 and 181
The least common multiple (LCM) of 80 and 181 is 14480.
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 80 and 181?
First, calculate the GCD of 80 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 181 = 0 remainder 80 |
| 2 | 181 ÷ 80 = 2 remainder 21 |
| 3 | 80 ÷ 21 = 3 remainder 17 |
| 4 | 21 ÷ 17 = 1 remainder 4 |
| 5 | 17 ÷ 4 = 4 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 193 and 81 | 15633 |
| 60 and 66 | 660 |
| 158 and 167 | 26386 |
| 68 and 81 | 5508 |
| 96 and 97 | 9312 |