Least Common Multiple (LCM) of 180 and 66
The least common multiple (LCM) of 180 and 66 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 66?
First, calculate the GCD of 180 and 66 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 66 = 2 remainder 48 |
| 2 | 66 ÷ 48 = 1 remainder 18 |
| 3 | 48 ÷ 18 = 2 remainder 12 |
| 4 | 18 ÷ 12 = 1 remainder 6 |
| 5 | 12 ÷ 6 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 159 and 11 | 1749 |
| 196 and 169 | 33124 |
| 112 and 180 | 5040 |
| 186 and 11 | 2046 |
| 44 and 31 | 1364 |