Least Common Multiple (LCM) of 80 and 135
The least common multiple (LCM) of 80 and 135 is 2160.
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 135?
First, calculate the GCD of 80 and 135 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 135 = 0 remainder 80 |
| 2 | 135 ÷ 80 = 1 remainder 55 |
| 3 | 80 ÷ 55 = 1 remainder 25 |
| 4 | 55 ÷ 25 = 2 remainder 5 |
| 5 | 25 ÷ 5 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 125 | 17000 |
| 128 and 158 | 10112 |
| 68 and 20 | 340 |
| 43 and 187 | 8041 |
| 138 and 134 | 9246 |