Least Common Multiple (LCM) of 57 and 43
The least common multiple (LCM) of 57 and 43 is 2451.
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 43?
First, calculate the GCD of 57 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 57 ÷ 43 = 1 remainder 14 |
| 2 | 43 ÷ 14 = 3 remainder 1 |
| 3 | 14 ÷ 1 = 14 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 76 and 113 | 8588 |
| 32 and 54 | 864 |
| 143 and 60 | 8580 |
| 173 and 69 | 11937 |
| 66 and 172 | 5676 |