Least Common Multiple (LCM) of 11 and 57
The least common multiple (LCM) of 11 and 57 is 627.
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 11 and 57?
First, calculate the GCD of 11 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 11 ÷ 57 = 0 remainder 11 |
| 2 | 57 ÷ 11 = 5 remainder 2 |
| 3 | 11 ÷ 2 = 5 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 108 | 3672 |
| 126 and 94 | 5922 |
| 142 and 16 | 1136 |
| 189 and 67 | 12663 |
| 81 and 171 | 1539 |