perplexus.info :: Numbers : Prime Product Permutation

Prime Product Permutation (Posted on 2005-03-21)

Find three different digits that no matter in what order they are arranged, the three digit number formed is the product of two primes.

See The Solution Submitted by Old Original Oskar!

Rating: 3.2500 (4 votes)

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re(2): Exhaustive Search via computer program -- spoiler

| Comment 3 of 6 |

(In reply to re: Exhaustive Search via computer program -- spoiler by Sing4TheDay)

Since 1 is not considered a prime, the ones that form a prime by themselves are not a "produce of two primes".

Posted by Charlie on 2005-03-22 14:51:53

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