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Set of Primes (Posted on 2009-05-18) Difficulty: 2 of 5
Let X be set of primes from 1 to 100, i.e., X: {2,3,5,7,....,97} and Y be set of numbers whose every prime divisor belongs to set X. A number from Y has exactly 24 positive divisors, find the probability it has exactly 3 distinct prime divisors.

See The Solution Submitted by Praneeth    
Rating: 3.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): solution | Comment 4 of 6 |
(In reply to re: solution by Robby Goetschalckx)

yes, I agree I made a miscalculation and my corrected calcuations agree with yours

  Posted by Daniel on 2009-05-18 12:01:42
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