Riesel conjecture base 243 remain

Started: May 3, 2010
Last update: Dec. 27, 2025

Compiled by Gary Barnes
Riesel conjectures
Riesel conjectures powers of 2
Riesel conjecture reservations
Sierpinski conjectures
Sierpinski conjectures powers of 2
Sierpinski conjecture reservations

Testing is coordinated at Mersenneforum Conjectures 'R Us.

26 k's remaining at n=400K:

2076, 2228, 2382, 2502, 3354, 3476, 3478, 4254, 4728, 5326, 6028, 6628, 7708, 7992, 8354, 8602, 8698, 9298, 9578, 9722, 9888, 10188, 10328, 11222, 11406, 11894