eratosthenes with golang

eratosthenes.go

package main

import (
  "fmt"
  "math"
)

const NUM = 100000

func main() {
  prime := make([]int, NUM+1)
  var i,j,limit int

  for i = 2; i < NUM-1; i++ {
    prime[i] = 1
  }
  limit = int(math.Sqrt(float64(NUM)))
  for i=2; i <= limit; i++ {
    if prime[i] == 1 {
      for j=2*i; j <=NUM; j++ {
        if j % i == 0 {
          prime[j] = 0
        }
      }
    }
  }
  for i=2; i <=NUM; i++ {
    if prime[i] == 1 {
      fmt.Print("\n")
      fmt.Print(i)
    }
  }
  fmt.Print("\n")
}