संख्या 1890 का सही अभाज्य गुणनखंडन क्या है?
What is the correct prime factorisation of 1890?
Explanation opens after your attempt
A. \(2\times3^3\times5\times7\)
Concept
Write \(1890=27\times70\).
Why this answer is correct
\(27=3^3\) and \(70=2\times5\times7\), so \(1890=2\times3^3\times5\times7\).
Exam Tip
Change 27 into \(3^3\). चरण 1: \(1890=27\times70\) लिखें। चरण 2: \(27=3^3\) और \(70=2\times5\times7\), इसलिए \(1890=2\times3^3\times5\times7\)। चरण 3: 27 को \(3^3\) में बदलें।
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