Least Common Multiple (LCM) of 17 and 54
The least common multiple (LCM) of 17 and 54 is 918.
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 17 and 54?
First, calculate the GCD of 17 and 54 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 17 ÷ 54 = 0 remainder 17 |
| 2 | 54 ÷ 17 = 3 remainder 3 |
| 3 | 17 ÷ 3 = 5 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 47 and 144 | 6768 |
| 127 and 127 | 127 |
| 184 and 181 | 33304 |
| 122 and 122 | 122 |
| 31 and 48 | 1488 |