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Prime Time Revisited (Posted on 2004-10-22) Difficulty: 2 of 5
Do there exist three 2-digit primes such that:
  • Any two of the three, averaged, produce another prime, and
  • The average of all three is prime

See The Solution Submitted by SilverKnight    
Rating: 2.6250 (8 votes)

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  Subject Author Date
Methodology and resultK Sengupta2005-11-08 00:29:08
QuestionSubmission QueryK Sengupta2005-11-08 00:17:58
SolutionSolution to "Prime Time Revisited"K Sengupta2005-08-29 08:03:55
re(4): Arithmetic progressionTristan2004-10-25 03:41:52
re(3): Arithmetic progressionowl2004-10-24 17:16:23
re(2): Arithmetic progressionowl2004-10-24 16:17:06
re: Arithmetic progressionowl2004-10-24 16:10:34
Arithmetic progressionBrian Smith2004-10-22 22:23:00
Brute Force Solutionnp_rt2004-10-22 16:53:07
SolutionUBASIC programCharlie2004-10-22 15:40:33
re: Answer + Solution (semi brute force)RandyOrton2004-10-22 15:23:33
re(2): Spoiler.Juggler2004-10-22 14:42:07
re: Spoiler.nikki2004-10-22 14:30:59
SolutionAnswer + Solution (semi brute force)nikki2004-10-22 14:29:34
SolutionSieve of Eratosthenes (solution)Penny2004-10-22 14:27:23
SolutionFirst part : Not so uncommonSyzygy2004-10-22 13:42:00
SolutionSpoiler.Juggler2004-10-22 13:24:22
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