Detecting 10001 prime number in golang

prime_test.go

func TestMe(t *testing.T) {
	var primes int
	for i := 2; i < 1e7; i++ {
		if isPrime(i) {
			primes++
			// fmt.Printf("%d is prime. Congrats!\n", i)
			if primes == 10_001 {
				fmt.Printf("%d th prime is %d\n", primes, i)
				break
			}
		}
	}

	fmt.Printf("Total number of primes is %d\n", primes)
}

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

	return true
}