Least Common Multiple (LCM) of 57 and 171
The least common multiple (LCM) of 57 and 171 is 171.
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 57 and 171?
First, calculate the GCD of 57 and 171 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 57 ÷ 171 = 0 remainder 57 |
| 2 | 171 ÷ 57 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 80 | 1680 |
| 103 and 13 | 1339 |
| 66 and 67 | 4422 |
| 200 and 199 | 39800 |
| 32 and 60 | 480 |