Least Common Multiple (LCM) of 71 and 54
The least common multiple (LCM) of 71 and 54 is 3834.
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 71 and 54?
First, calculate the GCD of 71 and 54 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 54 = 1 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 |
|---|---|
| 195 and 94 | 18330 |
| 140 and 11 | 1540 |
| 180 and 94 | 8460 |
| 90 and 135 | 270 |
| 173 and 69 | 11937 |