Least Common Multiple (LCM) of 43 and 194
The least common multiple (LCM) of 43 and 194 is 8342.
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 43 and 194?
First, calculate the GCD of 43 and 194 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 43 ÷ 194 = 0 remainder 43 |
| 2 | 194 ÷ 43 = 4 remainder 22 |
| 3 | 43 ÷ 22 = 1 remainder 21 |
| 4 | 22 ÷ 21 = 1 remainder 1 |
| 5 | 21 ÷ 1 = 21 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 178 | 3738 |
| 151 and 146 | 22046 |
| 52 and 188 | 2444 |
| 135 and 70 | 1890 |
| 34 and 63 | 2142 |