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Focusing Upon Couscous (Posted on 2008-11-10) Difficulty: 2 of 5
In the following statements, each of the capital letters in bold represent a different decimal digit from 1 to 9.

COUSCOUS is an 8-digit positive integer none of whose digits is composite and it is divisible without remainder by each of the primes CU, S, F, CFU and UF but not by the prime number CC.

What is the number represented by FOCUS?

See The Solution Submitted by K Sengupta    
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  Subject Author Date
SolutionSolutionDej Mar2008-11-10 21:32:28
A logical solutionrod hines2008-11-10 18:59:52
Solutioncomputer solutionCharlie2008-11-10 17:53:18
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