Least Common Multiple (LCM) of 111 and 57
The least common multiple (LCM) of 111 and 57 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 111 and 57?
First, calculate the GCD of 111 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 111 ÷ 57 = 1 remainder 54 |
| 2 | 57 ÷ 54 = 1 remainder 3 |
| 3 | 54 ÷ 3 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 80 and 69 | 5520 |
| 170 and 150 | 2550 |
| 117 and 181 | 21177 |
| 137 and 171 | 23427 |
| 120 and 33 | 1320 |