Least Common Multiple (LCM) of 108 and 66
The least common multiple (LCM) of 108 and 66 is 1188.
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 108 and 66?
First, calculate the GCD of 108 and 66 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 108 ÷ 66 = 1 remainder 42 |
| 2 | 66 ÷ 42 = 1 remainder 24 |
| 3 | 42 ÷ 24 = 1 remainder 18 |
| 4 | 24 ÷ 18 = 1 remainder 6 |
| 5 | 18 ÷ 6 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 157 and 45 | 7065 |
| 20 and 197 | 3940 |
| 171 and 144 | 2736 |
| 33 and 122 | 4026 |
| 88 and 10 | 440 |