perplexus.info :: Just Math : An exponent and prime problem

An exponent and prime problem (Posted on 2007-01-06)

Given that n is a positive prime number. Determine analytically all possible n such that 2ⁿ + n² is a prime number.

See The Solution Submitted by K Sengupta

Rating: 4.0000 (2 votes)

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

I liked it!

Comment 6 of 6 |

I just did the problem, and got the same as the answer (using the same method) as in the solution posted.

It wasn't that hard as it first looked like, but I enjoyed it.

Thanks K Sengupta!!

-David

Posted by David Johnson on 2007-01-15 00:52:54

Please log in:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (10)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info