function result = primeCheck(x)
%Create a persistent variable
persistent myPersVar
if mod(myPersVar, 2) == 1
    myPersVar = myPersVar +2;
end

%First verify that x is a positive integer
%Zero and negatives are conditioned, as well as all non-integers
%1 only non prime that is neither prime nor composite
if x <= 0
elseif mod(x, 1) ~= 0
    disp('Not a valid input, try a positive integer')
elseif x== 1
    result = 'Non-Prime';
end

if x == 2
    result = 'Prime';
elseif mod(x,2) == 0
    result = 'Non-Prime';
elseif mod(x, myPersVar) == 0
    result = primeCheck(mod(x, myPersVar));
end
end