Least Common Multiple (LCM) of 180 and 99
The least common multiple (LCM) of 180 and 99 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 99?
First, calculate the GCD of 180 and 99 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 99 = 1 remainder 81 |
| 2 | 99 ÷ 81 = 1 remainder 18 |
| 3 | 81 ÷ 18 = 4 remainder 9 |
| 4 | 18 ÷ 9 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 90 and 146 | 6570 |
| 193 and 27 | 5211 |
| 121 and 171 | 20691 |
| 17 and 147 | 2499 |
| 187 and 147 | 27489 |