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Algorithm of IBAN

Posted on 2011-02-24
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Last Modified: 2012-05-11
My account is 7182175
BC is 80728
Country is CH
How to work out IBAN by myself?
I cannot understand "mod" part.
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Question by:SSupreme
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8 Comments
 
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Expert Comment

by:abbright
ID: 34968872
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Author Comment

by:SSupreme
ID: 34968930
What is the answer?
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Expert Comment

by:abbright
ID: 34969038
In the wikipedia-article there is a part "Generating IBAN check digits" which explains how to work out IBAN by yourself.
Regarding  the "mod"-part the part "Calculating the modulus of a large number" may help. If you have additional questions it might be helpful to have more details on what you don't understand.
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Author Comment

by:SSupreme
ID: 34969060
Based on my information could you please show how to generate IBAN?
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Expert Comment

by:abbright
ID: 34969137
You can use http://www.iban-rechner.eu/ibancalculator/iban.html to create an IBAN for your account. The result in your case should be: IBAN CH23 8072 8000 0071 8217 5
Manually calculating the checksum is no fun, but there are plenty of implementations on the web which detail the steps, such as http://www.tbg5-finance.org/?ibandocs.shtml
Be aware of the following that only banks and other such institutes may issue valid IBANs. So you should not rely on the results of own calculations but rather ask the bank for the correct IBAN for your account.
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Author Comment

by:SSupreme
ID: 34969225
Could you please show how to generate IBAN by myself? (Manually, by hand)
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abbright earned 500 total points
ID: 34969486
Attached is an Excel-File showing the calculation.
IBAN.xlsx
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Author Closing Comment

by:SSupreme
ID: 34969905
Well done. Thank you.
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