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C
#include <stdio.h>
int main ()
{
int n = 5;
int i,j,k,r;
int cn=1,count;
for(i = 1; i <= n; i++)
{
for (j = 1; j <= n; j++)
{
for (k = cn + 1; k <= 10000; k++)
{
cn=k;
count=0;
for (r = 1; r <= cn; r++)
{
if(cn%r==0)
count++;
}
if(count==2)
{
printf("%2d ",cn );
break;
}
}
}
printf ("\n");
}
return 0;
}