सबसे छोटा धनात्मक (n) क्या है जिसके लिए (n!) संख्या (72) से विभाज्य हो?
What is the smallest positive (n) for which (n!) is divisible by (72)?
Explanation opens after your attempt
A. (6)
Concept
\(72=2^3\cdot3^2\), and (6!) contains all these factors. For divisibility, check prime factors.
Why this answer is correct
The correct answer is A. (6). \(72=2^3\cdot3^2\), and (6!) contains all these factors. For divisibility, check prime factors.
Exam Tip
\(72=2^3\cdot3^2\) है और (6!) में ये सभी गुणक मिल जाते हैं। विभाज्यता में अभाज्य गुणनखंड जांचें।
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