Least Common Multiple (LCM) of 18 and 104
The least common multiple (LCM) of 18 and 104 is 936.
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 104?
First, calculate the GCD of 18 and 104 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 104 = 0 remainder 18 |
| 2 | 104 ÷ 18 = 5 remainder 14 |
| 3 | 18 ÷ 14 = 1 remainder 4 |
| 4 | 14 ÷ 4 = 3 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 131 and 69 | 9039 |
| 20 and 156 | 780 |
| 135 and 20 | 540 |
| 138 and 148 | 10212 |
| 106 and 38 | 2014 |