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Prime Time (Posted on 2002-12-17) Difficulty: 2 of 5
There are 362,880 different numbers that use the digits 1 to 9 exactly once (like 187,432,569).

Of these, what percentage are prime numbers?

See The Solution Submitted by cges    
Rating: 3.1538 (13 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some ThoughtsThoughts On A Possible ExtensionK Sengupta2008-02-26 23:36:54
SolutionPuzzle SolutionK Sengupta2008-02-26 22:31:03
re(3): German solutionHugo2005-12-30 02:40:22
re(2): German solutionMindRod2005-12-29 21:55:16
re: German solutionHugo2005-12-29 03:32:38
SolutionGerman solutionMindRod2005-12-29 00:00:29
Solutioneasyethan2003-05-08 10:51:19
re(2): simple guessGamer2003-04-26 12:16:42
re: simple guessTomM2002-12-17 03:31:00
simple guessNick Murray2002-12-17 02:57:24
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