All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers
Wilson the 3rd (Posted on 2012-08-07) Difficulty: 4 of 5
A prime number is called a Wilson prime
if p^2 divides (p − 1)! + 1,
There are only 3 known Wilson primes:
5, 13 and ...

Find the 3rd one.

Hint : It is a 3-digit number.

No Solution Yet Submitted by Ady TZIDON    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): computer solution - WHAT comp. language ? | Comment 4 of 5 |
(In reply to re: computer solution - WHAT comp. language ? by Ady TZIDON)

The computer language is UBASIC. It's interpreter runs under DOS, and so works under Windows XP, but not Windows 7. I think it works under Vista, but I haven't "progressed" even to Vista. A Google search for UBASIC leads here, where you can download a copy of the interpreter.
  Posted by Charlie on 2012-08-08 10:05:25

Please log in:
Remember me:
Sign up! | Forgot password

Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (1)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Copyright © 2002 - 2018 by Animus Pactum Consulting. All rights reserved. Privacy Information