Function to determine if a number is prime in Go.

isprime.go

package main
import "fmt"

func main(){
  fmt.Println(isPrime(4))
  fmt.Println(isPrime(7))
  fmt.Println(isPrime(1616161))
}

/** 
 * This function should return true if inputNumber is prime (divisible only by itself and 1), false otherwise.
 */
func isPrime(inputNumber int) string{
    for i := 2; i <= (inputNumber/2); i++ {
        if inputNumber%i == 0 {
            return "false"
        }
    }
    return "true"
}