prime.rb

print "Enter a number: "
user_number = gets.to_i

# Lets say I put in 57

count = 2
check = []

# Is count (2) less than or equal to 58? it is, so I'll run the loop
while count <= user_number+1
  
  #if the remainder of 57 / 2 is 0
  if user_number % count == 0
    # then add 2 to my array unless 2 equals 57 which it doesn't
    check.push(count) unless count == user_number
  end
  
  #count should now be 3
  count+=1
end

if check.empty?
 puts "#{user_number} is a prime number."
else
  puts "#{user_number} is divisible by #{check}"
end