2520

2520.rb

# What's the smallest number divisible be all of 1, 2, 3, 4, 5, 6, 7, 8, and 9?

require 'colorize'

def check_num num
  (num % 9 == 0) && (num % 8 == 0) && (num % 7 == 0) && (num % 6 == 0)
end

multiple = 10
current_num = multiple

until check_num current_num
  puts "#{current_num} NO...".red
  current_num += multiple
end

puts "#{current_num} YES!!!".green