Least Common Multiple (LCM) of 50 and 80
The least common multiple (LCM) of 50 and 80 is 400.
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 50 and 80?
First, calculate the GCD of 50 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 50 ÷ 80 = 0 remainder 50 |
| 2 | 80 ÷ 50 = 1 remainder 30 |
| 3 | 50 ÷ 30 = 1 remainder 20 |
| 4 | 30 ÷ 20 = 1 remainder 10 |
| 5 | 20 ÷ 10 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 162 and 97 | 15714 |
| 101 and 162 | 16362 |
| 166 and 41 | 6806 |
| 179 and 85 | 15215 |
| 104 and 167 | 17368 |