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 |
|---|---|
| 73 and 131 | 9563 |
| 79 and 158 | 158 |
| 126 and 67 | 8442 |
| 165 and 117 | 6435 |
| 108 and 186 | 3348 |