Least Common Multiple (LCM) of 180 and 145
The least common multiple (LCM) of 180 and 145 is 5220.
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 180 and 145?
First, calculate the GCD of 180 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 145 = 1 remainder 35 |
| 2 | 145 ÷ 35 = 4 remainder 5 |
| 3 | 35 ÷ 5 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 159 and 47 | 7473 |
| 143 and 46 | 6578 |
| 168 and 172 | 7224 |
| 173 and 74 | 12802 |
| 145 and 197 | 28565 |