Least Common Multiple (LCM) of 47 and 194
The least common multiple (LCM) of 47 and 194 is 9118.
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 47 and 194?
First, calculate the GCD of 47 and 194 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 47 ÷ 194 = 0 remainder 47 |
| 2 | 194 ÷ 47 = 4 remainder 6 |
| 3 | 47 ÷ 6 = 7 remainder 5 |
| 4 | 6 ÷ 5 = 1 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 144 and 198 | 1584 |
| 78 and 68 | 2652 |
| 117 and 39 | 117 |
| 95 and 165 | 3135 |
| 195 and 87 | 5655 |