adomad
HSC!!
- Joined
- Oct 10, 2008
- Messages
- 543
- Gender
- Male
- HSC
- 2010
go to this site 2^43112609-1 is prime its a really big prime number lol
Aw shit that made my whole browser lag!!!go to this site 2^43112609-1 is prime its a really big prime number lol
I thought about the difference of two squares. Dude...that is ownage.Obviously it isn't prime. (Think: difference of two squares.)
2n -1 can be prime only if n itself is a prime, and even then primality is not guaranteed.