Least Common Multiple (LCM) of 193 and 128
The least common multiple (LCM) of 193 and 128 is 24704.
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 193 and 128?
First, calculate the GCD of 193 and 128 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 193 ÷ 128 = 1 remainder 65 |
| 2 | 128 ÷ 65 = 1 remainder 63 |
| 3 | 65 ÷ 63 = 1 remainder 2 |
| 4 | 63 ÷ 2 = 31 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 158 | 1580 |
| 75 and 185 | 2775 |
| 117 and 38 | 4446 |
| 167 and 191 | 31897 |
| 57 and 167 | 9519 |