Prime Number Program in Java TCS NQT Ninja Prime Coding Question | Infotechiezz | Beginner to Pro

🔢 Master Prime Number Program for TCS NQT, Ninja & Prime Exams | Complete Coding Tutorial with Algorithm, Optimization & Debugging Welcome to Infotechiezz! In this comprehensive tutorial, we break down the Prime Number problem – one of the most fundamental and frequently asked coding questions in TCS NQT, TCS Ninja, and TCS Prime recruitment drives. Whether you're a beginner struggling with logic or an experienced coder preparing for campus placements, this step-by-step guide will help you understand, implement, and optimize the Prime Number check with confidence. ✅ What You'll Learn in This Video/Blog (Detailed Timestamps): 🔹 0:00 – Introduction: 🔹 1:26 – What is the Prime Number: 🔹 3:18 – 1 is Why Not a Prime: 🔹 3:50 – Logic Building: 🔹 4:39 – Examples: 🔹 5:49 – Algorithm Design: 🔹 6:41 – Optimized Approach: 🔹 7:40 – Real-World Applications: 🔹 8:05 – Full Coding Implementation: 🔹 11:20 – Debugging Part: 🔹 13:47 – Outro & Next Steps: 🎯 Why This Matters for TCS Aspirants: The Prime Number problem tests core programming fundamentals – loops, conditionals, optimization, and mathematical logic – all critical for TCS NQT coding sections. Mastering this pattern helps you solve similar number theory problems like GCD/LCM, Factorial Trailing Zeros, Sieve of Eratosthenes, and Prime Factorization. TCS often asks variations like "Print Primes in Range" or "Check Prime in O(sqrt(n))". 💡 Pro Tips for Exam Success: ✔️ Always handle edge cases: n=0, n=1, and n=2 (2 is the only even prime). ✔️ Use optimized logic instead of brute force () to avoid TLE (Time Limit Exceeded). ✔️ Practice writing clean, commented code – TCS evaluators value readability and logic flow. ✔️ Memorize the complexity justification – often asked in technical interviews to test optimization knowledge. 📚 Resources Mentioned: • Free Prime Number Code Template (GitHub Link in Description) • TCS NQT Previous Year Question Bank (PDF Download) • Number Theory Problem Practice Sheet (Google Drive) • Infotechiezz Discord Community for Doubt Solving 🔔 Don't Forget to: ✅ Like this video if it helped you ✅ Subscribe to @infotechiezz for daily coding content ✅ Hit the bell icon for instant updates on TCS preparation series ✅ Share with friends preparing for placements prime number program, check prime number, tcs nqt coding questions 2026, tcs ninja coding problems, tcs prime coding questions, prime number in c++, prime number java code, python prime number solution, optimized prime logic, sqrt complexity explanation, placement coding preparation, campus placement coding questions, tcs nqt previous year questions, prime number algorithm, pseudo code for prime number, dry run coding example, time complexity analysis coding, space complexity optimization, tcs coding round tips, infotechiezz coding tutorial #️⃣ HASHTAGS: #PrimeNumber #TCSNQT #TCSNinja #TCSPrime #CodingInterview #PlacementPreparation #CampusPlacement #CPlusPlus #JavaProgramming #PythonCoding #AlgorithmDesign #DryRun #ComplexityAnalysis #NumberTheory #Optimization #CompetitiveProgramming #Infotechiezz #CodingTutorial #Placement2026 #TCSRecruitment #CodingQuestions #ProgrammingLogic #CodeWithInfotechiezz #TechEducation #LearnToCode #CodingForBeginners #InterviewPrep #CodingPractice #MathInCoding #CodingShorts #ProgrammingTips #TechCommunity #CodeNewbie #PlacementReady #TCSOffCampus #CodingChallenge #ProblemSolving #DeveloperCommunity #CodeDaily #CryptoBasics #DebuggingTips 📲 CONNECT WITH INFOTECHIEZZ: 📩 Email: [email protected] 📸 Instagram: https://www.instagram.com/infotechiezz/ 💼 LinkedIn: https://www.linkedin.com/in/infotechiezz/ ▶️ YouTube: https://www.youtube.com/@InfoTechiezz 💬 WhatsApp Channel: https://www.whatsapp.com/channel/0029Vb7QJZG8fewpER7N8U0V 🐦 X (Twitter): https://x.com/infotechiezz 🔢 Quick Prime Number Logic: A Prime Number has exactly two factors: 1 and itself. Example: 17 → Factors: 1, 17 ✓ Prime Example: 20 → Factors: 1, 2, 4, 5, 10, 20 ✗ Not Prime Edge Case: 1 is Neither Prime nor Composite. ❓ Frequently Asked Questions (FAQ): Q1: Why is 1 not a prime number? A1: Because it has only one factor (itself), whereas primes must have exactly two distinct factors. Q2: What is the fastest way to check primality? A2: Trial division up to sqrt(n) is standard for competitive coding. For ranges, use Sieve of Eratosthenes. Q3: Is 2 the only even prime number? A3: Yes, all other even numbers are divisible by 2. ⚠️ Disclaimer: This content is for educational purposes. TCS, NQT, Ninja, and Prime are trademarks of Tata Consultancy Services. This tutorial is not affiliated with or endorsed by TCS. Thanks for watching! Keep coding, keep learning, and stay tuned to Infotechiezz for more placement-focused tutorials. 🚀💻✨