project-euler/Sidef/005 Smallest multiple -- v2.sf

#!/usr/bin/ruby

# Daniel "Trizen" Șuteu
# Date: 09 October 2017
# https://github.com/trizen

# https://projecteuler.net/problem=5

# Runtime: 0.118s

var limit = 20

say limit.primes.prod_by {|p|
    p**limit.ilog(p)
}