Least Common Multiple (LCM) of 80 and 60
The least common multiple (LCM) of 80 and 60 is 240.
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 80 and 60?
First, calculate the GCD of 80 and 60 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 60 = 1 remainder 20 |
| 2 | 60 ÷ 20 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 147 and 148 | 21756 |
| 138 and 26 | 1794 |
| 121 and 121 | 121 |
| 120 and 102 | 2040 |
| 145 and 55 | 1595 |