Least Common Multiple (LCM) of 76 and 128
The least common multiple (LCM) of 76 and 128 is 2432.
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 76 and 128?
First, calculate the GCD of 76 and 128 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 76 ÷ 128 = 0 remainder 76 |
| 2 | 128 ÷ 76 = 1 remainder 52 |
| 3 | 76 ÷ 52 = 1 remainder 24 |
| 4 | 52 ÷ 24 = 2 remainder 4 |
| 5 | 24 ÷ 4 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 83 and 181 | 15023 |
| 90 and 18 | 90 |
| 15 and 199 | 2985 |
| 103 and 148 | 15244 |
| 178 and 41 | 7298 |