Least Common Multiple (LCM) of 66 and 162
The least common multiple (LCM) of 66 and 162 is 1782.
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 162?
First, calculate the GCD of 66 and 162 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 162 = 0 remainder 66 |
| 2 | 162 ÷ 66 = 2 remainder 30 |
| 3 | 66 ÷ 30 = 2 remainder 6 |
| 4 | 30 ÷ 6 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 78 and 109 | 8502 |
| 158 and 101 | 15958 |
| 190 and 70 | 1330 |
| 114 and 28 | 1596 |
| 178 and 70 | 6230 |