[usth/ICT3.2] Develop web applications

1 files changed, 11 insertions, 0 deletions

diff --git a/usth/ICT3.2/prac/2/8.js b/usth/ICT3.2/prac/2/8.js
new file mode 100644
index 0000000..07a4042
--- /dev/null
+++ b/usth/ICT3.2/prac/2/8.js
@@ -0,0 +1,11 @@
+function isPrime(n) {
+    if (n < 2 || n != Math.trunc(n))
+        return false;
+    for (let i = 2; i * i <= n; ++i)
+        if (n % i == 0)
+            return false;
+    return true;
+}
+
+if (!module.parent)
+    console.log(isPrime(Number(process.argv[2])) ? 'prime' : 'no prime');