Data update

Task/Additive-primes/TypeScript/additive-primes.ts

@@ -0,0 +1,29 @@
+function isPrime(n: number): boolean {
+    if (n < 2) return false;
+    if (n < 4) return true;
+    if (n % 2 == 0 || n % 3 == 0) return false;
+    for (let i = 5; i <= n ** 0.5; i += 6) {
+        if (n % i == 0 || n % (i+2) == 0) return false;
+    }
+    return true;
+}
+
+function sumDigits(x: number): number {
+    let sum = 0;
+    while (x > 0) {
+      sum = sum + (x % 10);
+      x = Math.floor(x / 10);
+    }
+    return sum;
+}
+
+const additivePrimes: number[] = [];
+
+for (let i = 2; i < 10**7; i++) {
+    if (isPrime(i) && isPrime(sumDigits(i))) {
+        additivePrimes.push(i);
+    }
+}
+
+console.log(additivePrimes);
+console.log(`Found ${additivePrimes.length} values`);