Least Common Multiple (LCM) of 180 and 126
The least common multiple (LCM) of 180 and 126 is 1260.
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 126?
First, calculate the GCD of 180 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 126 = 1 remainder 54 |
| 2 | 126 ÷ 54 = 2 remainder 18 |
| 3 | 54 ÷ 18 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 191 and 65 | 12415 |
| 19 and 18 | 342 |
| 66 and 67 | 4422 |
| 21 and 144 | 1008 |
| 185 and 121 | 22385 |