Thread: New Prime Number
View Single Post
  #10  
Old 29-09-2008, 05:08 PM
erick's Avatar
erick (Eric)
Starcatcher

erick is offline 		 
Join Date: Dec 2006
Location: Gerringong
Posts: 8,547
Did you spot the "-1"? It's (2^p)-1 for the Mersenne series, which gets a number one less than any multiple of 2.
Reply With Quote