
Greatest Common Divisor (GCD) of 122 and 183
The greatest common divisor (GCD) of 122 and 183 is 61.
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 122 and 183?
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 | 122 ÷ 183 = 0 remainder 122 |
2 | 183 ÷ 122 = 1 remainder 61 |
3 | 122 ÷ 61 = 2 remainder 0 |
Examples of GCD Calculations
Numbers | GCD |
---|---|
187 and 80 | 1 |
170 and 137 | 1 |
183 and 149 | 1 |
120 and 73 | 1 |
118 and 191 | 1 |