Least Common Multiple (LCM) of 80 and 173
The least common multiple (LCM) of 80 and 173 is 13840.
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 173?
First, calculate the GCD of 80 and 173 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 173 = 0 remainder 80 |
| 2 | 173 ÷ 80 = 2 remainder 13 |
| 3 | 80 ÷ 13 = 6 remainder 2 |
| 4 | 13 ÷ 2 = 6 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 23 and 61 | 1403 |
| 144 and 120 | 720 |
| 188 and 151 | 28388 |
| 75 and 20 | 300 |
| 124 and 171 | 21204 |