save progress

10/main.go

@@ -0,0 +1,34 @@
+package main
+
+import "fmt"
+
+func main() {
+	primes := []int{2, 3}
+
+	for i := 3; i < 2_050_000; i++ {
+		primeFlag := false
+		for _, j := range primes {
+			if i%j == 0 {
+				primeFlag = true
+				break
+			}
+		}
+		if !primeFlag {
+			primes = append(primes, i)
+		}
+	}
+	fmt.Println(primes[len(primes)-1])
+
+	ok_primes := []int{}
+	// find all the primes that are below 2 mil
+	for i := 0; primes[i] < 2_000_000; i++ {
+		ok_primes = append(ok_primes, primes[i])
+	}
+	fmt.Println(ok_primes[len(ok_primes)-1])
+	// find the sum
+	total := 0
+	for _, v := range ok_primes {
+		total += v
+	}
+	fmt.Println(total)
+}