>> happy hunting
        >> tsc
        >> 
        >> 2*3*5*7*11*13*17*19*23*29*31-1 is prime
        
        >I am getting 200560490129 = 228737 * 876817.
        
        >Greg Hogan
        

        true but        2*3*5*7*11*13*17*19*23*29*31+1 is prime
        and             2*3*5*7*11*13*17*19*23*29*31*37*41-1 is prime
                        2*3* ... *89-1 is prime
                        2*3* ... *317-1 is prime
                        2*3* ... *337-1 is prime
                        2*3* ... *379-1 is prime        
                        etc.
                        etc.

        Stuart Kennedy

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