Least Common Multiple (LCM) of 162 and 180
The least common multiple (LCM) of 162 and 180 is 1620.
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 162 and 180?
First, calculate the GCD of 162 and 180 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 162 ÷ 180 = 0 remainder 162 |
| 2 | 180 ÷ 162 = 1 remainder 18 |
| 3 | 162 ÷ 18 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 171 and 172 | 29412 |
| 42 and 195 | 2730 |
| 121 and 22 | 242 |
| 163 and 131 | 21353 |
| 180 and 14 | 1260 |