# prime numbers

• September 5th 2009, 07:34 AM
prime numbers
Problem:
n^2 + n + 41 = a prime number

where n = 0, 1, 2, 3, 4, .... (any positve integer)

Show that this is untrue without doing any calculation.

I think:
It has something to do with odd and even but after playing around with this idea can't find a solution.....help
• September 5th 2009, 07:39 AM
skeeter
Quote:

let $n = 41$