Least Common Multiple (LCM) of 32 and 80
The least common multiple (LCM) of 32 and 80 is 160.
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 32 and 80?
First, calculate the GCD of 32 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 32 ÷ 80 = 0 remainder 32 |
| 2 | 80 ÷ 32 = 2 remainder 16 |
| 3 | 32 ÷ 16 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 91 | 546 |
| 11 and 135 | 1485 |
| 183 and 30 | 1830 |
| 35 and 144 | 5040 |
| 78 and 175 | 13650 |