Least Common Multiple (LCM) of 18 and 194
The least common multiple (LCM) of 18 and 194 is 1746.
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 194?
First, calculate the GCD of 18 and 194 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 194 = 0 remainder 18 |
| 2 | 194 ÷ 18 = 10 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 |
|---|---|
| 142 and 185 | 26270 |
| 23 and 152 | 3496 |
| 72 and 55 | 3960 |
| 171 and 74 | 12654 |
| 96 and 155 | 14880 |