Least Common Multiple (LCM) of 145 and 80
The least common multiple (LCM) of 145 and 80 is 2320.
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 145 and 80?
First, calculate the GCD of 145 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 80 = 1 remainder 65 |
| 2 | 80 ÷ 65 = 1 remainder 15 |
| 3 | 65 ÷ 15 = 4 remainder 5 |
| 4 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 191 and 65 | 12415 |
| 90 and 136 | 6120 |
| 178 and 19 | 3382 |
| 168 and 116 | 4872 |
| 195 and 69 | 4485 |