Least Common Multiple (LCM) of 194 and 138
The least common multiple (LCM) of 194 and 138 is 13386.
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 194 and 138?
First, calculate the GCD of 194 and 138 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 194 ÷ 138 = 1 remainder 56 |
| 2 | 138 ÷ 56 = 2 remainder 26 |
| 3 | 56 ÷ 26 = 2 remainder 4 |
| 4 | 26 ÷ 4 = 6 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 106 | 7526 |
| 84 and 164 | 3444 |
| 61 and 54 | 3294 |
| 112 and 122 | 6832 |
| 149 and 81 | 12069 |