[Shreyash]: Added code to print prime factors of entered number

Author: shreyashdj

Repetition Problems/For Loop/PrimeFactors.js

@@ -0,0 +1,20 @@
+/*
+    Write a program to compute Factors of a number N using prime factorization method.
+    Logic -> Traverse till i*i <= N instead of i <= N for efficiency.
+    O/P -> Print the prime factors of number N.
+*/
+
+const prompt = require("prompt-sync")();
+console.log();
+let n = parseInt(prompt(" Enter the number : "))
+console.log(" The Prime Factors are : ");
+for (i = 2; i * i <= n; i++) {
+    while (n % i == 0) {
+        console.log(" " + i);
+        n = n / i;
+    }
+}
+if (n != 1) {
+    console.log(" " + n);
+}
+console.log();