[Project Euler in Groovy] - P3

euler_p3.groovy

def primes = [2, 3, 5, 7, 11, 13, 17]
def MAX = 600851475143
def factor = 0
def i = primes.get(primes.size() - 1) + 1
while (MAX > 1) {
    if(!primes.any { i % it == 0 }) {
        primes << i
        if (MAX % i == 0) {
            factor = i
            MAX = (long)(MAX/i)
            println "current factor => $factor"
        }
    }
    i++
}
println factor