Riesel conjecture base 878 remain

Started: Feb. 14, 2011
Last update: Feb. 16, 2026

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.

31 k's remaining at n=300K:

7, 28, 44, 56, 67, 73, 76, 86, 107, 116, 119, 130, 136, 148, 178, 187, 194, 212, 220, 221, 229, 235, 244, 248, 251, 254, 262, 268, 269, 277, 286