Fundamentals of Factorials | CAT Concepts - Videos

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Factorials is an important concept used in Numbers, Permutations and Combinations, Probability, etc.
In this lesson, our Lead Instructor Anton Menezes (CAT 99.63%ile) explains everything you will need to know about Factorials for the CAT. This lesson includes the definition of factorials, prime factorization of factorials, highest power of a prime number contained in a factorial and highest power of a composite number contained in a factorial. Application based question types like number of leading zeros in a factorial, and the last non-zero digit in a factorial are also discussed in this lesson.

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