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Numerator Divisibility Nuance (Posted on 2011-01-22) Difficulty: 3 of 5
Each of p and q is a positive integer, with p and q being relatively prime, such that:

p/q = 1 - 1/2 + 1/3 - 1/4 + ...... - 1/1318 + 1/1319

Prove that p is divisible by 1979.

No Solution Yet Submitted by K Sengupta    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: SolutionSteve Herman2011-01-23 16:14:54
SolutionSolutionBrian Smith2011-01-23 14:55:04
Not obvious to meSteve Herman2011-01-23 14:24:43
Solutionbrute forceCharlie2011-01-22 15:51:32
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