Least Common Multiple (LCM) of 130 and 128
The least common multiple (LCM) of 130 and 128 is 8320.
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 130 and 128?
First, calculate the GCD of 130 and 128 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 128 = 1 remainder 2 |
| 2 | 128 ÷ 2 = 64 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 11 and 174 | 1914 |
| 197 and 98 | 19306 |
| 129 and 43 | 129 |
| 151 and 39 | 5889 |
| 140 and 16 | 560 |