Least Common Multiple (LCM) of 80 and 163
The least common multiple (LCM) of 80 and 163 is 13040.
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 163?
First, calculate the GCD of 80 and 163 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 163 = 0 remainder 80 |
| 2 | 163 ÷ 80 = 2 remainder 3 |
| 3 | 80 ÷ 3 = 26 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 135 | 4590 |
| 86 and 21 | 1806 |
| 103 and 126 | 12978 |
| 120 and 58 | 3480 |
| 78 and 81 | 2106 |