संख्या 720 का अभाज्य गुणनखंडन कौन सा है?

Which is the prime factorisation of 720?

Explanation opens after your attempt
Correct Answer

A. \(2^4\times3^2\times5\)

Step 1

Concept

Write \(720=72\times10\).

Step 2

Why this answer is correct

\(72=2^3\times3^2\) and \(10=2\times5\), so \(720=2^4\times3^2\times5\).

Step 3

Exam Tip

Break 72 completely into prime form. चरण 1: \(720=72\times10\) लिखें। चरण 2: \(72=2^3\times3^2\) और \(10=2\times5\), इसलिए \(720=2^4\times3^2\times5\)। चरण 3: 72 को पूरी तरह अभाज्य रूप में तोड़ें।

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संख्या 720 का अभाज्य गुणनखंडन कौन सा है? / Which is the prime factorisation of 720?

Correct Answer: A. \(2^4\times3^2\times5\). Explanation: चरण 1: \(720=72\times10\) लिखें। चरण 2: \(72=2^3\times3^2\) और \(10=2\times5\), इसलिए \(720=2^4\times3^2\times5\)। चरण 3: 72 को पूरी तरह अभाज्य रूप में तोड़ें। / Step 1: Write \(720=72\times10\). Step 2: \(72=2^3\times3^2\) and \(10=2\times5\), so \(720=2^4\times3^2\times5\). Step 3: Break 72 completely into prime form.

Which concept should I revise for this Mathematics MCQ?

Write \(720=72\times10\).

What exam hint can help solve this Mathematics question?

Break 72 completely into prime form. चरण 1: \(720=72\times10\) लिखें। चरण 2: \(72=2^3\times3^2\) और \(10=2\times5\), इसलिए \(720=2^4\times3^2\times5\)। चरण 3: 72 को पूरी तरह अभाज्य रूप में तोड़ें।