Least Common Multiple (LCM) of 190 and 128
The least common multiple (LCM) of 190 and 128 is 12160.
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 190 and 128?
First, calculate the GCD of 190 and 128 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 190 ÷ 128 = 1 remainder 62 |
| 2 | 128 ÷ 62 = 2 remainder 4 |
| 3 | 62 ÷ 4 = 15 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 153 and 129 | 6579 |
| 78 and 46 | 1794 |
| 70 and 136 | 4760 |
| 64 and 112 | 448 |
| 157 and 28 | 4396 |