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Prime real estate (Posted on 2003-12-24) Difficulty: 4 of 5
What is the sum of the reciprocals of all prime numbers? (i.e. 1/2 + 1/3 + 1/5 + 1/7...)

See The Solution Submitted by Eric    
Rating: 2.8750 (8 votes)

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re: None | Comment 2 of 4 |
(In reply to None by DJ)

A nice reference (with Euler's proof) is Hua's Introduction to Number Theory. See also Proofs from the Book.
  Posted by Richard on 2003-12-24 13:47:41

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