Muft Shiksha
Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
Class 10MathematicsReal NumbersPrime FactorisationExpertLevel 9

Which prime factorisation represents an even number?

Advertisement

Answer and explanation

Correct answer: (2 \times 3^2 \times 5)

Step 1: A number is even if its prime factorisation contains (2). Step 2: Only the first option contains (2), so it represents an even number. Step 3: To check evenness, look only for the factor (2).

Tags

real-numbersprime-factorisationeven-numberexpert

Frequently asked questions

What is the correct answer to this question?

(2 \times 3^2 \times 5)

Why is this the correct answer?

Step 1: A number is even if its prime factorisation contains (2). Step 2: Only the first option contains (2), so it represents an even number. Step 3: To check evenness, look only for the factor (2).

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.

Report question
Advertisement