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Topic: cotpi 67 - Composite factorial plus one
Replies: 7   Last Post: Mar 10, 2013 4:19 PM

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cotpi

Posts: 55
Registered: 7/19/11
cotpi 67 - Composite factorial plus one
Posted: Mar 7, 2013 11:25 PM
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How many positive integers n are there such that n! + 1 is
composite?

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Originally posted at: http://cotpi.com/p/67/



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