func generate_prime(start int64, end int64, c chan int64) {
for i := start; i < end; i += 2 {
if helpers.IsPrime(i) {
c <- i
}
}
close(c)
}
func main() {
const num int64 = 600851475143
var i int64 = helpers.Sqrt(num)
for ; i > 1; i-- {
if num%i == 0 && helpers.IsPrime(i) {
fmt.Println(i)
break
}
}
}
func main() {
count := 0
var i int64 = 3
for ; ; i += 2 {
if helpers.IsPrime(i) {
count += 1
}
if count == 10000 {
fmt.Println(i)
break
}
}
}