prime number.there isn't any error. my ans isn't showed up

% finding prime number
counter=0;
for j= 1:10;
   for i=1:1:j
       if mod (j,i)==0
           counter=counter+1;
       end
   end
  if counter==2
    fprintf('%d is prime', j);
  end
end

there isn't any error. my ans isn't showed up

[Bruno Luong]

why this thread has "james tursa" tag?

[Guillaume]

People attach all sort of weird tags to their question. I've removed the tag.

[Walter Roberson]

http://www.mathworks.co.uk/matlabcentral/answers/43073-a-guide-to-tags

Answer 1

[Bruno Luong]

There is actually one error (where counter is reset)

for j= 1:10
    counter=0; % <- reset for every i to be checked
    for i=1:1:j
        if mod (j,i)==0
            counter=counter+1;
        end
    end
    if counter==2
        fprintf('%d is prime\n', j);
    end
end

[Kashfia Mahin]

Thanks Mr. Bruno.