Greatest Common Divisor (GCD) of 33 and 82
The greatest common divisor (GCD) of 33 and 82 is 1.
What is the Greatest Common Divisor (GCD)?
The GCD of two integers is the largest positive integer that divides both numbers without leaving a remainder. It is useful in simplifying fractions, finding common factors, and in number theory.
How to Calculate the GCD of 33 and 82?
We use the Euclidean algorithm, which involves the following steps:
- Divide the larger number by the smaller number.
- Replace the larger number with the smaller number and the smaller number with the remainder from the division.
- Repeat this process until the remainder is zero.
- The non-zero remainder just before zero is the GCD.
Step-by-Step Euclidean Algorithm
| Step | Calculation |
|---|---|
| 1 | 33 ÷ 82 = 0 remainder 33 |
| 2 | 82 ÷ 33 = 2 remainder 16 |
| 3 | 33 ÷ 16 = 2 remainder 1 |
| 4 | 16 ÷ 1 = 16 remainder 0 |
Examples of GCD Calculations
| Numbers | GCD |
|---|---|
| 185 and 53 | 1 |
| 33 and 85 | 1 |
| 166 and 120 | 2 |
| 77 and 121 | 11 |
| 149 and 34 | 1 |