List questions from factorial

Published on 01 Apr 2026 - 20:01

413

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Generalizing Legendre's Theorem on prime factorization of factorials

Published on 09 Feb 2016 - 13:59

223

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Prove or disprove: For non-negative integers $m$ and $n$, $m!n! = (mn)!$

Published on 10 Feb 2016 - 3:17

392

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Is there any better way to find n! without just multiplying all the numbers till n?

Published on 10 Feb 2016 - 12:16

43

Views

Is there a proof that $(n-2x)! \times n^{2x-1} > n!$ (where $x$ is a function related to the prime counting function

Published on 10 Feb 2016 - 13:50

590

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Simplifying Expression Factorial Expression

Published on 11 Feb 2016 - 5:53

1.1k

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How many ways we can choose items from different boxes

Published on 13 Feb 2016 - 16:21

70

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Finding maximal product of numbers of permutations

Published on 13 Feb 2016 - 17:17

1.8k

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Representing geometric series as sum of binomial coefficients

Published on 28 Mar 2026 - 10:56

499

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Numbers that are clearly NOT a Square

Published on 29 Mar 2026 - 18:31

157

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How many ways to write sum as $k$ restricted integers

Published on 14 Feb 2016 - 13:28

146

Views

Binomial Distribution and Proof Relating to Factorials

Published on 01 Apr 2026 - 2:34

117

Views

Can you find it? or Can you prove it?

Published on 01 Apr 2026 - 6:29

115

Views

Different seating arrangements on a 6 seater

Published on 19 Feb 2016 - 15:01

318

Views

Orthogonality relation as double sum of products of binomial coefficients

Published on 26 Mar 2026 - 20:40

List Question

Last digit of $235!^{69}$

Generalizing Legendre's Theorem on prime factorization of factorials

Prove or disprove: For non-negative integers $m$ and $n$, $m!n! = (mn)!$

Is there any better way to find n! without just multiplying all the numbers till n?

Is there a proof that $(n-2x)! \times n^{2x-1} > n!$ (where $x$ is a function related to the prime counting function

Simplifying Expression Factorial Expression

How many ways we can choose items from different boxes

Finding maximal product of numbers of permutations

Representing geometric series as sum of binomial coefficients

Numbers that are clearly NOT a Square

How many ways to write sum as $k$ restricted integers

Binomial Distribution and Proof Relating to Factorials

Can you find it? or Can you prove it?

Different seating arrangements on a 6 seater

Orthogonality relation as double sum of products of binomial coefficients

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