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Old Jan 4, 2020 | 5:37 pm
  #7  
LondonElite
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Join Date: Mar 2002
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Originally Posted by Efrem
But not on airline tickets. I didn't want to get technical, but they use the remainder modulo 7. That's why the last digit of a ticket number is never greater than 6.
Interesting. I did not know this, will research. Thanks!
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