What does ID digit mean?
General registration, better known as ID, is a personal identification document issued by the Public Security Bureau of each Brazilian State. The ID contains several information about the citizen, such as name, date of birth, affiliation, naturalness, among other data.
One of the elements present in the ID is digit, which is a number that accompanies the document identification number. This digit is used as a security measure to avoid fraud and falsification.
How is RG digit calculated?
RG digit calculation is made from a mathematical formula that uses the ID numbers itself. Each Brazilian state has a specific formula for digit calculation.
Usually, the calculation is done as follows:
- ID numbers are multiplied by specific weights;
- Multiplications results are added;
- The result of the sum is divided by a specific number;
- The rest of the division is subtracted from a specific number;
- The end result is the digit of RG.
It is important to note that each state can have variations in the RG digit calculation formula, so it is necessary to consult the specific rules of each state.
How important is the RG digit?
RG digit is important to ensure the authenticity of the document and avoid fraud. With the digit, it is possible to verify that the RG number has been typed correctly and if the document is valid.
In addition, digit is also used in identification systems, such as databases and security systems, to ensure information integrity and avoid duplication.
Conclusion
RG digit is a number used as a security measure to avoid fraud and falsification. The digit calculation is done from a specific mathematical formula of each Brazilian state. It is important to know the specific norms of each state to understand how the Calculation of the RG digit is done.
We hope this article has clarified your doubts about the meaning of RG digit. If you still have any questions, leave in the comments below.