View Single Post
2005-12-29, 09:49   #7
jasong

"Jason Goatcher"
Mar 2005

3×7×167 Posts

Quote:
 Originally Posted by axn1 Ok. I am _slightly_ confused. There are 3 different forms you've mentioned. n*k^2-1 n*2^k-1 n*k^n-1 Which is the form that is needed to have a prime? The last one is called Generalized Woodall primes -- I think it can be sieved by multisieve.
I apologize, that was a typo. (n*2^k-1) and (k*2^n-1)