Prime Expression
  • What is the smallest positive composite number generated by the expression p2 � p � 1 where p is a prime number. (remember: one is neither prime nor composite).

Answer:    
  Please enter a numerical answer
(ex. 1000 or 2.033) and click GO.		    

Contest problems and answers provided by:

David Rock
rock_david@colstate.edu
Columbus State University

Doug Brumbaugh
brumbad@pegasus.cc.ucf.edu
University of Central Florida