Greatest Common Divisor (GCD) of 177 and 48
The greatest common divisor (GCD) of 177 and 48 is 3.
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 177 and 48?
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 | 177 ÷ 48 = 3 remainder 33 |
| 2 | 48 ÷ 33 = 1 remainder 15 |
| 3 | 33 ÷ 15 = 2 remainder 3 |
| 4 | 15 ÷ 3 = 5 remainder 0 |
Examples of GCD Calculations
| Numbers | GCD |
|---|---|
| 124 and 43 | 1 |
| 184 and 89 | 1 |
| 158 and 112 | 2 |
| 146 and 139 | 1 |
| 193 and 166 | 1 |