ProjectRuler-5

#2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
#What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?
#answer : 232792560
#
#待修改，效率不高

def devided
  a = []
  flag = true
  (1..3_0000_0000).to_a.each do |number|
    2.upto(10) do |i|
      rod = number.to_f/i 
      if rod != rod.to_i
        break
      else
        a.push(number)
        flag = false
      end
    end
    break if !flag
  end
  puts a[-1]
end

devided