Least Common Multiple (LCM) of 66 and 132
The least common multiple (LCM) of 66 and 132 is 132.
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 66 and 132?
First, calculate the GCD of 66 and 132 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 132 = 0 remainder 66 |
| 2 | 132 ÷ 66 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 85 | 170 |
| 139 and 50 | 6950 |
| 193 and 130 | 25090 |
| 109 and 78 | 8502 |
| 43 and 83 | 3569 |