How to divide really big numbers in Google Sheets.<br> As part of the creation of an IBAN number generator, I need to divide the 26-digit number by the number 97 to find out the check digits in the IBAN number.<br> After about an hour of searching, I found out that Google Sheets cannot calculate with such large numbers.<br> [Google Sheets not processing very large numbers][1]<br> But how to do it?<br> How to bypass this limitation in Google Sheets?<br> I am trying to find the first 6 digits after the decimal point after dividing a 26 digit number by 97. <br> <br> I have the same problem in LibreOffice Calc.<br> <br> <br> I am not looking for a way to verify the validity of the entire IBAN number.<br> I am looking for a way to create check digits when generating an IBAN. <br> <br> [1]: https://webapps.stackexchange.com/a/123028/234109