Least Common Multiple (LCM) of 173 and 147
The least common multiple (LCM) of 173 and 147 is 25431.
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 147?
First, calculate the GCD of 173 and 147 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 173 ÷ 147 = 1 remainder 26 |
| 2 | 147 ÷ 26 = 5 remainder 17 |
| 3 | 26 ÷ 17 = 1 remainder 9 |
| 4 | 17 ÷ 9 = 1 remainder 8 |
| 5 | 9 ÷ 8 = 1 remainder 1 |
| 6 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 167 and 47 | 7849 |
| 195 and 185 | 7215 |
| 73 and 25 | 1825 |
| 30 and 78 | 390 |
| 179 and 14 | 2506 |