ISBN 2801100859 hat failed the check­sum digit test.

The following 10 formally correct ISBNs were determined. Starting from these ISBNs the value 2801100859 that you input could have resulted frome one error (error in one digit or transposition of two digits.) You can now check using the links given for the catalogs of amazon.co.uk, amazon.com and amazon.de whether any book is listed for the respective URL. To the home page
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ISBN prefix group: French language
ISBNas­su­med er­rorCatalogs for checking
2-501-10085-9second digit was chan­ged. amazon.co.uk amazon.com amazon.de
2-8011-0085-4tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
2-8011-0088-9ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
2-8011-0785-9seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
2-8012-0085-9fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
2-8051-0085-9fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
2-8081-0015-94th and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de
2-89110-085-9third digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: China, People's Republic
ISBNas­su­med er­rorCatalogs for checking
7-80110-085-9first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Norway
ISBNas­su­med er­rorCatalogs for checking
82-01-10085-91st and 2nd digits were swap­ped. amazon.co.uk amazon.com amazon.de

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