Least Common Multiple (LCM) of 54 and 173
The least common multiple (LCM) of 54 and 173 is 9342.
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 54 and 173?
First, calculate the GCD of 54 and 173 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 54 ÷ 173 = 0 remainder 54 |
| 2 | 173 ÷ 54 = 3 remainder 11 |
| 3 | 54 ÷ 11 = 4 remainder 10 |
| 4 | 11 ÷ 10 = 1 remainder 1 |
| 5 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 51 and 130 | 6630 |
| 63 and 197 | 12411 |
| 192 and 157 | 30144 |
| 165 and 128 | 21120 |
| 109 and 182 | 19838 |