Least Common Multiple (LCM) of 173 and 80
The least common multiple (LCM) of 173 and 80 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 173 and 80?
First, calculate the GCD of 173 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 173 ÷ 80 = 2 remainder 13 |
| 2 | 80 ÷ 13 = 6 remainder 2 |
| 3 | 13 ÷ 2 = 6 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 148 | 6216 |
| 138 and 114 | 2622 |
| 78 and 172 | 6708 |
| 192 and 28 | 1344 |
| 40 and 157 | 6280 |