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 |
|---|---|
| 122 and 110 | 6710 |
| 88 and 147 | 12936 |
| 13 and 119 | 1547 |
| 76 and 161 | 12236 |
| 106 and 57 | 6042 |