Least Common Multiple (LCM) of 128 and 34
The least common multiple (LCM) of 128 and 34 is 2176.
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 34?
First, calculate the GCD of 128 and 34 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 128 ÷ 34 = 3 remainder 26 |
| 2 | 34 ÷ 26 = 1 remainder 8 |
| 3 | 26 ÷ 8 = 3 remainder 2 |
| 4 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 63 and 79 | 4977 |
| 138 and 164 | 11316 |
| 133 and 20 | 2660 |
| 140 and 128 | 4480 |
| 150 and 38 | 2850 |