Golang 002. 求质因数的个数

package main
import "fmt"
func Factor(number int) int {
  result := 0
  for i, j := 2, number; i <= number; i++ {
    if j%i == 0 {
      result++
      for j%i == 0 {
        j /= i
      }
    }
  }
  return result
}
func main() {
  var nums = []int{6, 7, 1260}
  fmt.Println("循环方式一：")
  for i := 0; i < len(nums); i++ {
    fmt.Printf("%d的质因数有:%d个。\n", nums[i], Factor(nums[i]))
  }
  fmt.Println("\n循环方式二：")
  for _, val := range nums {
    fmt.Printf("%d的质因数有:%d个。\n", val, Factor(val))
  }
}

package main
import "fmt"
func isPrime(i int) bool {
  result := true
  for j := 2; j < i; j++ {
    if i%j == 0 {
      result = false
      break
    }
  }
  return result
}
func Factor(number int) int {
  result := 0
  for i := 2; i <= number; i++ {
    if number%i == 0 && isPrime(i) {
      result++
    }
  }
  return result
}
func main() {
  var nums = [3]int{6, 7, 1260}
  for _, val := range nums {
    fmt.Printf("%d的质因数有:%d个。\n", val, Factor(val))
  }
}