clc clear all %% Prime Number disp('Prime Number') % number to check n=97; % starting the count count=0; if n==1 num='is not a prime number'; end if n==2 num='is a prime number'; end if n>=3 num='a prime number'; for i=2:1:n/2 quot=floor(n/i); remain=n-quot*i; if remain==0 num='not a prime number'; end end end fprintf('The number %g is %s\n\n',n,num)