You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

11 lines
237 B

// This program prints the largest now known perfect number.
#include <cl_integer.h>
#include <cl_integer_io.h>
int main ()
{
int p = 1398269; // previous one was 1257787
cl_I x = (((cl_I)1 << p) - 1) << (p-1);
cout << x << endl;
}