package main

import "fmt"

func isPrime(num int) bool {
if num < 2 {
return false
}
for i := 2; i*i <= num; i++ {
if num%i == 0 {
return false
}
}
return true
}

func main() {
for i := 1; i <= 100; i++ {
if isPrime(i) {
fmt.Println(i)
}
}
}