- Joined
- Feb 17, 2007
Here is a quick mathematics problem that requires no PhD level calculations; just some high school algebra and a little ingenuity.
Take any prime number greater than 2. .... Square it. .... Subtract 1 from the result.
Prove that the final result is evenly divisible by 8.
So if P is our prime, prove that ( P^2 - 1 ) is divisible by 8.
Take any prime number greater than 2. .... Square it. .... Subtract 1 from the result.
Prove that the final result is evenly divisible by 8.
So if P is our prime, prove that ( P^2 - 1 ) is divisible by 8.