prime

print("Primanac v1.0 ALPHA")
print("Enter an integer. Any number that has decimals will be floored.")
local notregistered = true
while notregistered do
  write("Number: ")
  local num = io.read()
  num = math.floor(num)
  print("The number registered is "..num..". Continue?")
  local notdone = true
  while notdone do
    local continue = read()
    if continue == "Yes" then
      notdone = false
      notregistered = false
    elseif continue == "No" then
      notdone = false
    else
      print("Invalid answer.")
    end
  end
end

for numtodivide = 1,Num do
  if numtodivide == 1 then
    numtodivide = 2
  end
  local result1 = num / numtodivide

  if numtodivide == num then
    print(num.." is prime!")
  elseif not result1 == math.floor(result1) then
    print(num.." is not divisible by "..numtodivide.."...")
  elseif result1 == math.floor(result1) then
    print(num.." is not prime, it is divisble by "..numtodivide.."!")
    break
  end
end