Least Common Multiple (LCM) of 173 and 180
The least common multiple (LCM) of 173 and 180 is 31140.
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 180?
First, calculate the GCD of 173 and 180 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 173 ÷ 180 = 0 remainder 173 |
| 2 | 180 ÷ 173 = 1 remainder 7 |
| 3 | 173 ÷ 7 = 24 remainder 5 |
| 4 | 7 ÷ 5 = 1 remainder 2 |
| 5 | 5 ÷ 2 = 2 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 62 and 174 | 5394 |
| 126 and 113 | 14238 |
| 200 and 178 | 17800 |
| 199 and 127 | 25273 |
| 123 and 167 | 20541 |