perplexus.info :: Just Math : Prime Time Revisited

Prime Time Revisited (Posted on 2004-10-22)

Do there exist three 2-digit primes such that:

See The Solution Submitted by SilverKnight

Rating: 3.0000 (8 votes)

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Sieve of Eratosthenes (solution)

| Comment 3 of 17 |

answer: 11, 47, 71

These are the only three primes that satisfy the puzzle.

11 and 47 average to 29.

11 and 71 average to 41

47 and 71 average to 59

Edited on May 24, 2008, 12:17 am

Posted by Penny on 2004-10-22 14:27:23

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