Least Common Multiple (LCM) of 57 and 111
The least common multiple (LCM) of 57 and 111 is 2109.
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 111?
First, calculate the GCD of 57 and 111 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 57 ÷ 111 = 0 remainder 57 |
| 2 | 111 ÷ 57 = 1 remainder 54 |
| 3 | 57 ÷ 54 = 1 remainder 3 |
| 4 | 54 ÷ 3 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 145 and 41 | 5945 |
| 49 and 182 | 1274 |
| 149 and 175 | 26075 |
| 57 and 161 | 9177 |
| 187 and 38 | 7106 |