Least Common Multiple (LCM) of 128 and 176
The least common multiple (LCM) of 128 and 176 is 1408.
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 176?
First, calculate the GCD of 128 and 176 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 128 ÷ 176 = 0 remainder 128 |
| 2 | 176 ÷ 128 = 1 remainder 48 |
| 3 | 128 ÷ 48 = 2 remainder 32 |
| 4 | 48 ÷ 32 = 1 remainder 16 |
| 5 | 32 ÷ 16 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 120 and 175 | 4200 |
| 125 and 131 | 16375 |
| 57 and 199 | 11343 |
| 133 and 165 | 21945 |
| 86 and 180 | 7740 |