Least Common Multiple (LCM) of 18 and 112
The least common multiple (LCM) of 18 and 112 is 1008.
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 18 and 112?
First, calculate the GCD of 18 and 112 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 112 = 0 remainder 18 |
| 2 | 112 ÷ 18 = 6 remainder 4 |
| 3 | 18 ÷ 4 = 4 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 43 | 6106 |
| 187 and 131 | 24497 |
| 123 and 85 | 10455 |
| 193 and 64 | 12352 |
| 108 and 147 | 5292 |