Primes of the form K * 2^N -1 for K=301 to 999

Recently I've been interested in primes of the form K * 2^N -1 for K=301 to 999.

Here are lists of what has been found so far:

Every prime of the form K * 2^N -1 for:

• K=301 to 399 and N=1 to 100,000 or more
• K=401 to 499 and N=1 to 100,000 or more
• K=501 to 599 and N=1 to 100,000 or more
• K=601 to 699 and N=1 to 100,000 or more
• K=701 to 799 and N=1 to 100,000 or more
• K=801 to 899 and N=1 to 100,000 or more
• K=901 to 999 and N=1 to 100,000 or more

Dr. Wilfrid Keller maintains a page with every prime of the form K * 2^N -1 for

• K=1 to 299 and N=1 to 32000 or more.

Dr. Michael Hartley maintains a site with primes where K=251 to 1001. His site also contains a reservation section where you can reserve a range to search.

• Reserve K=251 to 1001 and N=120,000 and higher.

Many people have contributed to the creation of this collection of data. Please click here to see who has helped create these pages. If you would like to contribute to these lists, contact the author at the address shown below. Your contribution of primes to add and/or limits to extend will be gratefully accepted and acknowledged.

Index of primes links

• This page was created 04/2/00 and last modified 04/18/04.
• It is maintained by Dale Andrews.
• Please email [email protected] with comments and corrections.

URL: http://www.geocities.com/Primes_R_Us/Riesel/index.html