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 |
|---|---|
| 30 and 156 | 780 |
| 56 and 194 | 5432 |
| 199 and 172 | 34228 |
| 62 and 184 | 5704 |
| 159 and 128 | 20352 |