Least Common Multiple (LCM) of 108 and 173
The least common multiple (LCM) of 108 and 173 is 18684.
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 108 and 173?
First, calculate the GCD of 108 and 173 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 108 ÷ 173 = 0 remainder 108 |
| 2 | 173 ÷ 108 = 1 remainder 65 |
| 3 | 108 ÷ 65 = 1 remainder 43 |
| 4 | 65 ÷ 43 = 1 remainder 22 |
| 5 | 43 ÷ 22 = 1 remainder 21 |
| 6 | 22 ÷ 21 = 1 remainder 1 |
| 7 | 21 ÷ 1 = 21 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 175 | 6300 |
| 129 and 46 | 5934 |
| 151 and 57 | 8607 |
| 130 and 175 | 4550 |
| 70 and 18 | 630 |