Least Common Multiple (LCM) of 66 and 83
The least common multiple (LCM) of 66 and 83 is 5478.
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 83?
First, calculate the GCD of 66 and 83 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 83 = 0 remainder 66 |
| 2 | 83 ÷ 66 = 1 remainder 17 |
| 3 | 66 ÷ 17 = 3 remainder 15 |
| 4 | 17 ÷ 15 = 1 remainder 2 |
| 5 | 15 ÷ 2 = 7 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 143 and 63 | 9009 |
| 163 and 123 | 20049 |
| 155 and 10 | 310 |
| 76 and 136 | 2584 |
| 107 and 11 | 1177 |