perplexus.info :: Numbers : Factorial Crossed Perfect Square Settlement

Factorial Crossed Perfect Square Settlement (Posted on 2023-09-21)

Find all possible quadruplets (a,b,c,d) of positive integers, that satisfy this equation:

a!-b!-c! = d².

Prove that no further quadruplet satisfies the given conditions.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (4 votes)

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

re: anonymo

| Comment 65 of 81 |

(In reply to anonymo by Hedda Dunn)

Exercise minimal norm of decency!

Do not post such irrelevant and idiotic comments in a Math/Logic website!!

Posted by K Sengupta on 2024-05-16 12:42:03

Please log in:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info