Least Common Multiple (LCM) of 180 and 144
The least common multiple (LCM) of 180 and 144 is 720.
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 144?
First, calculate the GCD of 180 and 144 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 144 = 1 remainder 36 |
| 2 | 144 ÷ 36 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 164 and 68 | 2788 |
| 173 and 20 | 3460 |
| 10 and 191 | 1910 |
| 190 and 73 | 13870 |
| 21 and 28 | 84 |