Least Common Multiple (LCM) of 180 and 198
The least common multiple (LCM) of 180 and 198 is 1980.
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 198?
First, calculate the GCD of 180 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 198 = 0 remainder 180 |
| 2 | 198 ÷ 180 = 1 remainder 18 |
| 3 | 180 ÷ 18 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 61 | 8479 |
| 144 and 159 | 7632 |
| 130 and 13 | 130 |
| 70 and 137 | 9590 |
| 156 and 185 | 28860 |