perplexus.info :: Just Math : Infinite Illation Decision 2

Infinite Illation Decision 2 (Posted on 2016-01-15)

Does there exist an infinite number of values of a positive integers N such that N! is divisible by N² + 1?

Give reasons for your answer.

See The Solution Submitted by K Sengupta

No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)

My solution

| Comment 2 of 7 |

Sorry, the official solution is wrong.

The sequence can be found on A0120416 of On-line Encyclopedia of Integer Sequences in this location:

https://oeis.org/A120416

Edited on May 20, 2023, 2:17 am

Posted by K Sengupta on 2023-05-20 01:47:29

Please log in:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (9)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info