Thread: Riesel primes View Single Post
2009-07-18, 05:54   #3
Primeinator

"Kyle"
Feb 2005
Somewhere near M50..sshh!

89410 Posts

Quote:
 Originally Posted by Mini-Geek I'm pretty sure it's only that n is such that 2^n>k (otherwise every number would be a Riesel number, and every prime a Riesel prime).
How would 2^n < k in of itself make a number riesel? I thought that any number of the form k*2^n -1 is a riesel number.