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Factors and Primes (Posted on 2007-01-24) Difficulty: 3 of 5
Prove that n!-1 is a composite number when n>3 and n+2 is a prime.

No Solution Yet Submitted by atheron    
Rating: 4.6667 (3 votes)

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  Subject Author Date
SolutionSolutionPraneeth2007-09-27 06:01:18
SolutionNo SubjectJoel2007-01-25 02:45:12
Some Thoughtsa startDaniel2007-01-24 10:34:13
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