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Prime Time (Posted on 2002-12-17)

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: ( Back to comment list | You must be logged in to post comments.)

re(2): German solution

| Comment 7 of 10 |

(In reply to re: German solution by Hugo)

Kein is correct, but Nein sounds like "nine", and I was thinking of nines at the time.

Posted by MindRod on 2005-12-29 21:55:16

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