Riesel primes of the form 11663•2ⁿ-1

2021-09-30: Checked n = 50000-350000 , Karsten Bonath
2021-09-24: Checked to n = 50000 , Alexander Jones
2011-11-23: Checked to n = 20000 , Thomas Ritschel
2005-08-10: Found n =&#160;323450 , <a href="/z/index.php?title=Michael_Gillion&amp;action=edit&amp;redlink=1" class="new" title="Michael Gillion (page does not exist)">Michael Gillion
2005-07-27: Found n =&#160;273820 , <a href="/z/index.php?title=Michael_Gillion&amp;action=edit&amp;redlink=1" class="new" title="Michael Gillion (page does not exist)">Michael Gillion
2003-03-21: Found n =&#160;166666 , <a href="/z/index.php?title=Phil_Kenny&amp;action=edit&amp;redlink=1" class="new" title="Phil Kenny (page does not exist)">Phil Kenny

Current data

28, 100, 206, 1354, 1676, 3206, 6374, 7180, 7436, 9980, 28756, 57394, 62804, 90458, 166666, 273820, 323450