Least Common Multiple (LCM) of 180 and 100
The least common multiple (LCM) of 180 and 100 is 900.
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 100?
First, calculate the GCD of 180 and 100 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 100 = 1 remainder 80 |
| 2 | 100 ÷ 80 = 1 remainder 20 |
| 3 | 80 ÷ 20 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 149 and 190 | 28310 |
| 191 and 105 | 20055 |
| 20 and 46 | 460 |
| 193 and 170 | 32810 |
| 95 and 94 | 8930 |