numbers

number of factors for CAT exam

Number of Factors Concepts and Formulas for CAT exam

Number of factors based questions have regularly appeared in various competitive exams including CAT.  Primarily, these questions are based on the prime factorization of a number.  Generally,  factors based questions are of following types: The number of factors The sum of factors Product of factors Odd and Even Factors Number of Factors which are Perfect …

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factorial and trailing zeroes

Number of trailing zeroes and exponents of prime number in factorial

Finding the number of trailing zeroes in 100! (read factorial 100) has become the favorite question in quant among aspirants who prepare for CAT Exam.  In this section, we will be discussing the approaches to solve similar sorts of questions. Exponent of any prime number p in n! (factorial n) The exponent of any prime …

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