069 Totient maximum.sf

#!/usr/bin/ruby

# Daniel "Trizen" Șuteu
# License: GPLv3
# Date: 28 January 2017
# https://github.com/trizen

# https://projecteuler.net/problem=69

# Runtime: 0.117s

var limit = 1_000_000

var primorial = 1

for (var p = 2; true; p.next_prime!) {
    primorial *= p
    if (primorial > limit) {
        primorial /= p
        break
    }
}

say primorial