Least Common Multiple (LCM) of 128 and 51
The least common multiple (LCM) of 128 and 51 is 6528.
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 51?
First, calculate the GCD of 128 and 51 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 128 ÷ 51 = 2 remainder 26 |
| 2 | 51 ÷ 26 = 1 remainder 25 |
| 3 | 26 ÷ 25 = 1 remainder 1 |
| 4 | 25 ÷ 1 = 25 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 187 and 68 | 748 |
| 145 and 70 | 2030 |
| 171 and 165 | 9405 |
| 144 and 172 | 6192 |
| 192 and 91 | 17472 |