Least Common Multiple (LCM) of 168 and 57
The least common multiple (LCM) of 168 and 57 is 3192.
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 168 and 57?
First, calculate the GCD of 168 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 57 = 2 remainder 54 |
| 2 | 57 ÷ 54 = 1 remainder 3 |
| 3 | 54 ÷ 3 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 119 and 68 | 476 |
| 189 and 196 | 5292 |
| 65 and 44 | 2860 |
| 86 and 155 | 13330 |
| 54 and 43 | 2322 |