संख्या 1680 का अभाज्य गुणनखंडन कौन सा है?
Which is the prime factorisation of 1680?
Explanation opens after your attempt
A. \(2^4\times3\times5\times7\)
Concept
Write \(1680=16\times105\).
Why this answer is correct
\(16=2^4\) and \(105=3\times5\times7\), so \(1680=2^4\times3\times5\times7\).
Exam Tip
Change 105 into prime factors. चरण 1: \(1680=16\times105\) लिखें। चरण 2: \(16=2^4\) और \(105=3\times5\times7\), इसलिए \(1680=2^4\times3\times5\times7\)। चरण 3: 105 को अभाज्य गुणनखंडों में बदलें।
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