Finding all prime factors for the number in swift.

allPrimeFactors.swift

import Foundation

func allPrimeFactors(number: Int) {
    var n = number
    while n % 2 == 0 {
        print("2")
        n /= 2
    }
    
    var i = 3
    while i <= Int(sqrt(Double(n))) {
        while n % i == 0 {
            print("\(i)")
            n /= i
        }
        
        i += 2
    }
    
    if n > 2 {
        print("\(n)")
    }
}