View Single Post
Old 2003-07-11, 14:23   #1
jocelynl
 
Sep 2002

2·131 Posts
Default How does the trial factoring work with 15K*2^n-1

is there a special form for factors in 15K*2^n-1 like the one in 2^p-1

(2kp+1) | 2^p-1

And is there properties like 1 or 7 mod 8?


joss
jocelynl is offline