Project Euler Problem 5

problem5.rb

# This takes more around 5 minutes to run on a modern i5 machine. Need to optimize.

MIN_NUM   = 1
MAX_NUM   = 20

def is_consecutively_factorable?(number)
  
  if number == 0 then 
    return false
  end

  MAX_NUM.downto(MIN_NUM) { |i|
    if number % i != 0
      return false
    end
  }
  
  true
end

i = 0

until is_consecutively_factorable?(i)
  i += 1
end
 
print i

#print is_consecutively_factorable?(0)