The book is now available! 1000009
(another Prime Pages' Curiosity)
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Euler once announced that 1000009 was prime but later discovered that it wasn't. A considerable feat at the time ... considering that Euler was 70 and blind!

 

  Submitted: 1999-09-20 19:42:24;   Last Modified: 2008-01-30 11:28:00.



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