संख्या 80 का सही अभाज्य गुणनखंडन कौन सा है?

Which is the correct prime factorisation of 80?

Explanation opens after your attempt
Correct Answer

A. \(2^4\times5\)

Step 1

Concept

(80) can be written as \(16\times5\).

Step 2

Why this answer is correct

\(16=2^4\), so \(80=2^4\times5\).

Step 3

Exam Tip

In the final prime factorisation, keep only prime numbers. चरण 1: \(80=16\times5\) लिखा जा सकता है। चरण 2: \(16=2^4\), इसलिए \(80=2^4\times5\)। चरण 3: अंतिम अभाज्य गुणनखंडन में केवल अभाज्य संख्याएं रखें।

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संख्या 80 का सही अभाज्य गुणनखंडन कौन सा है? / Which is the correct prime factorisation of 80?

Correct Answer: A. \(2^4\times5\). Explanation: चरण 1: \(80=16\times5\) लिखा जा सकता है। चरण 2: \(16=2^4\), इसलिए \(80=2^4\times5\)। चरण 3: अंतिम अभाज्य गुणनखंडन में केवल अभाज्य संख्याएं रखें। / Step 1: (80) can be written as \(16\times5\). Step 2: \(16=2^4\), so \(80=2^4\times5\). Step 3: In the final prime factorisation, keep only prime numbers.

Which concept should I revise for this Mathematics MCQ?

(80) can be written as \(16\times5\).

What exam hint can help solve this Mathematics question?

In the final prime factorisation, keep only prime numbers. चरण 1: \(80=16\times5\) लिखा जा सकता है। चरण 2: \(16=2^4\), इसलिए \(80=2^4\times5\)। चरण 3: अंतिम अभाज्य गुणनखंडन में केवल अभाज्य संख्याएं रखें।