Least Common Multiple (LCM) of 194 and 105
The least common multiple (LCM) of 194 and 105 is 20370.
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 105?
First, calculate the GCD of 194 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 194 ÷ 105 = 1 remainder 89 |
| 2 | 105 ÷ 89 = 1 remainder 16 |
| 3 | 89 ÷ 16 = 5 remainder 9 |
| 4 | 16 ÷ 9 = 1 remainder 7 |
| 5 | 9 ÷ 7 = 1 remainder 2 |
| 6 | 7 ÷ 2 = 3 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 66 and 25 | 1650 |
| 125 and 123 | 15375 |
| 81 and 22 | 1782 |
| 138 and 15 | 690 |
| 168 and 71 | 11928 |