Least Common Multiple (LCM) of 173 and 144
The least common multiple (LCM) of 173 and 144 is 24912.
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 144?
First, calculate the GCD of 173 and 144 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 173 ÷ 144 = 1 remainder 29 |
| 2 | 144 ÷ 29 = 4 remainder 28 |
| 3 | 29 ÷ 28 = 1 remainder 1 |
| 4 | 28 ÷ 1 = 28 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 18 and 80 | 720 |
| 180 and 151 | 27180 |
| 164 and 45 | 7380 |
| 82 and 128 | 5248 |
| 71 and 189 | 13419 |