perplexus.info :: Just Math : Some Factorials Sum Power

Some Factorials Sum Power (Posted on 2008-12-21)

Determine all possible pair(s) (P, Q) of positive integers that satisfy this equation.

牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋P! + Q! = P^Q

where P and Q are not necessarily distinct.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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

re: solution with proof - Kudos!

| Comment 3 of 4 |

(In reply to solution with proof by Daniel)

Excellent solution! :-)

Posted by JayDeeKay on 2008-12-22 12:01:11

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