FindFactors

factors.go

package main

import "fmt"

func main() {

	for i := 1; i <= 10000; i++ {
		f := getFactors(i)
		if len(f) == 1 {
			fmt.Println(i, "is prime.")
			continue
		}
		if len(f) > 0 {
			fmt.Println(i, "factors:", f)
		}
	}

}

func getFactors(num int) []int {
	var result []int
	a := num / 2
	for i := a; i > 0; i-- {
		if num%i == 0 {
			result = append(result, i)
		}

	}
	return result
}