Least Common Multiple (LCM) of 128 and 103
The least common multiple (LCM) of 128 and 103 is 13184.
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 128 and 103?
First, calculate the GCD of 128 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 128 ÷ 103 = 1 remainder 25 |
| 2 | 103 ÷ 25 = 4 remainder 3 |
| 3 | 25 ÷ 3 = 8 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 153 and 31 | 4743 |
| 162 and 169 | 27378 |
| 53 and 131 | 6943 |
| 145 and 33 | 4785 |
| 176 and 17 | 2992 |