Can anyone start me off on this question?

Printable View

- Aug 10th 2007, 06:53 AMfreed0mNumber Theory - Prime divisors
Can anyone start me off on this question?

- Aug 10th 2007, 07:05 AMtopsquark
Given n primes, each of the form 8k + 7 and the number

Show that (mod 8)

Well, there are n primes. So the expansion

(mod 8)

Now (mod 8), so

(mod 8)

-Dan