Monday, September 15, 2008

Prime Number Puzzle

Prime Number Puzzle

Can the mean of any two consecutive prime numbers ever be prime?
(Should be able to answer in 5 seconds)

---
Note : Hints : Look at it only if you are not able to answer in 5 seconds
|
|
|
|
- By definition of mean the result must be between the two source numbers.
- By definition of consecutive there can't be a number in between two consecutive numbers.

2 comments:

  1. The puzzle is not clear; please specify problem statement in detail

    ReplyDelete
  2. only 2 consecutive numbers are 2 and 3; thei mean is 2 which is prime

    ReplyDelete

Subscribe via email

Enter your email address:

Delivered by FeedBurner