Least Common Multiple (LCM) of 180 and 63
The least common multiple (LCM) of 180 and 63 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 63?
First, calculate the GCD of 180 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 63 = 2 remainder 54 |
| 2 | 63 ÷ 54 = 1 remainder 9 |
| 3 | 54 ÷ 9 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 77 and 73 | 5621 |
| 128 and 153 | 19584 |
| 119 and 140 | 2380 |
| 74 and 57 | 4218 |
| 32 and 104 | 416 |