Least Common Multiple (LCM) of 19 and 194
The least common multiple (LCM) of 19 and 194 is 3686.
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 19 and 194?
First, calculate the GCD of 19 and 194 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 19 ÷ 194 = 0 remainder 19 |
| 2 | 194 ÷ 19 = 10 remainder 4 |
| 3 | 19 ÷ 4 = 4 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 168 | 14280 |
| 139 and 74 | 10286 |
| 144 and 124 | 4464 |
| 38 and 22 | 418 |
| 162 and 14 | 1134 |